Papers by Yang Hao

169 papers
Language Models as Inductive Reasoners (2024.eacl-long)

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Challenge: Inductive reasoning is a core component of human intelligence.
Approach: They propose a task to induce natural language rules from natural language facts using natural language as representation for knowledge instead of formal language.
Outcome: The proposed task surpasses baselines in both automatic and human evaluations.
SMARTAVE: Structured Multimodal Transformer for Product Attribute Value Extraction (2022.findings-emnlp)

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Challenge: Existing methods for product attribute value extraction are noisy and incomplete with missing values for most retailers.
Approach: They propose a Structure Mltimodal trAnsformeR for producT Attribute Value Extraction which jointly encodes the structured product information from multiple modalities.
Outcome: The proposed method outperforms state-of-the-art methods on two multimodal product datasets.
Scaling Laws for Code: Every Programming Language Matters (2026.findings-acl)

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Challenge: Existing studies focus on language-agnostic settings, neglecting the inherently multilingual nature of modern software development.
Approach: They propose a proportion-dependent scaling law that prioritizes high-utility languages . they propose PLs to have varying effects during pre-training that affect model performance .
Outcome: The proposed scaling law is based on 1000+ experiments across multiple languages and models.
Failures are Treasures: Constructing a Pedagogical Bridge for Agentic Strategy Distillation (2026.findings-acl)

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Challenge: Existing knowledge distillation methods focus on imitating successful trajectories, whereas small language models are fragile and often collapsing after encountering errors.
Approach: They propose a Pedagogical Bridge for Reflective Insight and Distillation of Guiding Errors that combines reflection-in-action and reflection-on-action to enable agents to diagnose and correct critical errors while abstracting transferable strategies from contrastive student–teacher trajectories.
Outcome: Experiments show that the proposed model significantly elevates performance in large language models (SLMs) .
Rethinking Diverse Human Preference Learning through Principal Component Analysis (2025.findings-acl)

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Challenge: Decomposed Reward Models extract diverse human preferences from binary comparisons without fine-grained annotations.
Approach: They propose a decomposed reward model that extracts diverse human preferences from binary comparisons without fine-grained annotations.
Outcome: The proposed approach extracts diverse human preferences from binary comparisons without fine-grained annotations.
Enhancing Self-Attention with Knowledge-Assisted Attention Maps (2022.naacl-main)

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Challenge: Existing works of knowledge infusion depend on multi-task learning frameworks, which are inefficient and require large-scale retraining when new knowledge is considered.
Approach: They propose a method which integrates knowledge-generated attention maps into the self-attention mechanism and integrates it into the model.
Outcome: The proposed model outperforms existing methods on academic datasets and industry-scale ad relevance applications.
FLAIR: Steering LLM Mathematical Problem Solving based on A Fuzzy-Logic-AssIsted Reasoner (2026.acl-long)

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Challenge: Existing approaches to mathematical reasoning rely on static heuristics or pre-determined reasoning strategies.
Approach: They propose an adaptive framework that integrates fuzzy theory into LLM-based mathematical reasoning.
Outcome: The proposed framework outperforms state-of-the-art models while offering effective and interpretable diagnostics of intermediate problem-solving states.
On the Sentence Embeddings from Pre-trained Language Models (2020.emnlp-main)

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Challenge: Pre-trained contextual representations like BERT have been widely used for NLP tasks.
Approach: They propose to transform anisotropic sentence embedding distribution to smooth and isotropic Gaussian distribution by normalizing flows that are learned with an unsupervised objective.
Outcome: The proposed method achieves significant performance gains over state-of-the-art embeddings on a variety of semantic textual similarity tasks.
Unified Contextual Query Rewriting (2023.acl-industry)

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Challenge: Large-scale conversational AI agents such as Alexa, Siri, and Google Assistant are becoming increasingly popular in real-world applications to assist users in daily life.
Approach: They propose a unified contextual query rewriting model that unifies QR for friction reduction and contextual carryover . they leverage the text-to-text unified framework which uses independent tasks with weighted loss to account for task importance .
Outcome: The proposed model reduces friction and contextual carryover by using multiple auxiliary tasks.
Detecting Subtle Differences between Human and Model Languages Using Spectrum of Relative Likelihood (2024.emnlp-main)

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Challenge: Existing methods for detecting modelgenerated texts from human texts are limited by the fact that absolute likelihood values of texts are bound to certain linguistic and cognitive constraints.
Approach: They propose to use relative likelihood values instead of absolute ones to extract useful features from the spectrum-view of likelihood for the human-model text detection task.
Outcome: The proposed method can reveal subtle differences between human and model languages, which find theoretical roots in psycholinguistics studies.
PhotoChat: A Human-Human Dialogue Dataset With Photo Sharing Behavior For Joint Image-Text Modeling (2021.acl-long)

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Challenge: PhotoChat contains 12k dialogues, each of which is paired with a user photo that is shared during the conversation.
Approach: They propose to use PhotoChat to facilitate research on image-text modeling by combining a photo-sharing intent prediction task and a picture retrieval task to retrieve the most relevant photo according to the dialogue context.
Outcome: The proposed tasks achieve 10.4% recall@1 and 58.1% F1 scores, indicating that the proposed dataset presents interesting yet challenging real-world problems.
DevEval: A Manually-Annotated Code Generation Benchmark Aligned with Real-World Code Repositories (2024.findings-acl)

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Challenge: Existing benchmarks are poorly aligned with real-world code repositories and are insufficient to evaluate the coding abilities of Large Language Models (LLMs).
Approach: They propose a repository-level benchmark named DevEval to evaluate LLMs' coding abilities in real-world code repositories.
Outcome: The proposed benchmarks show that the LLMs perform better in real-world code repositories than existing benchmarks.
LoopCoder: Scaling Code Intelligence via Looped Language Models (2026.findings-acl)

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Challenge: Large language models have mastered syntax-level code generation, but complex algorithmic reasoning remains a challenge.
Approach: They propose a recurrent inductive bias that aligns with the recursive nature of programming logic.
Outcome: The proposed model achieves comparable performance to standard dense models with more parameters.
A Unified One-Step Solution for Aspect Sentiment Quad Prediction (2023.findings-acl)

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Challenge: Existing ASQP datasets are small and low-density, hindering technical advancement . et al. (2017): aspect sentiment quad prediction provides a complete aspect-level sentiment structure.
Approach: They propose a one-step solution for Aspect sentiment quad prediction that can detect aspect categories and identify aspectopinion-sentiment triplets simultaneously.
Outcome: The proposed solution can detect aspect categories and identify aspectopinion-sentiment triplets simultaneously.
TableDreamer: Progressive and Weakness-guided Data Synthesis from Scratch for Table Instruction Tuning (2025.findings-acl)

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Challenge: Existing methods for table instruction tuning are limited due to limited data diversity and lack of data quality.
Approach: They propose a weakness-guided data synthesis framework for table instruction tuning that explores the vast input space of table understanding tasks and then iterates through the input space.
Outcome: The proposed framework boosts the average accuracy of Llama3.1-8B-instruct by 11.62% with 27K GPT-4o synthetic data and outperforms state-of-the-art data synthesis baselines which use more training data.
MAIN: Mutual Alignment Is Necessary for instruction tuning (2025.emnlp-main)

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Challenge: Instruction tuning has enabled large language models to achieve remarkable performance, yet its success heavily depends on the availability of high-quality instruction-response pairs.
Approach: They propose a mutual alignment framework which enforces coherence between instructions and responses through mutual constraints.
Outcome: The proposed framework generalizes well across model architectures and sizes, achieving state-of-the-art performance on LLaMA, Mistral, and Qwen models across diverse benchmarks.
Generative Annotation for ASR Named Entity Correction (2025.emnlp-main)

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Challenge: Existing named entity correction models fail to transcribe domain-speciffcnamed entities when theforms of the wrongly-transcribed words and the ground-truth entity are signiffcantly different.
Approach: They propose a method that utilizes speech sound features to retrieve candidate entities . it uses speech sound feature to annotate entityerrors in ASR transcripts .
Outcome: The proposed method can bring signiffcant improvement to entity accuracy.
From Local to Global: Revisiting Structured Pruning Paradigms for Large Language Models (2026.acl-long)

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Challenge: Structured pruning is a practical approach to deploying large language models (LLMs) but it fails to capitalize on modest task-specific calibration signals, causing limited downstream gains.
Approach: They propose a method that removes attention heads and MLP channels using loss-based important scores . they use perplexity for language modeling and a margin-based objective for decision-style tasks .
Outcome: The proposed method lowers perplexity and improves accuracy at higher sparsity . it also stabilizes accuracy and mitigates perxity collapse without fine-tuning .
Perplexity-Aware Data Scaling Law: Perplexity Landscapes Predict Performance for Continual Pre-training (2026.acl-long)

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Challenge: Large language models (LLMs) have impressive capabilities across a wide range of domains, but their generalpurpose pre-training objectives often leave them illsuited for specialized applications such as healthcare.
Approach: They propose a perplexity-aware data scaling law that establishes a predictive relationship between the perplexities of domain-specific data and the test loss.
Outcome: Experiments on medical and general-domain benchmarks show that the proposed scaling law consistently identifies near-optimal training subsets with significantly reduced data consumption.
An Evaluation Resource for Grounding Translation Errors (2025.findings-emnlp)

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Challenge: Current fine-grained error analyses do not ground the errors to the reasons why the annotated text spans are erroneous.
Approach: They use a bi-directional grounding scheme to ground erroneous text in two directions . if the error spans of both directions are consistent, the explanation is valid .
Outcome: The proposed grounding process improves translation error detection significantly.
TeamLoRA: Boosting Low-Rank Adaptation with Expert Collaboration and Competition (2025.acl-long)

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Challenge: Existing methods for fine-tuning are resource-efficient, but performance often falls short . a new approach, TeamLoRA, integrates collaborative and competitive modules to improve performance.
Approach: They propose to introduce task-specific LoRA as domain experts to improve learning efficiency . teamLoRA integrates collaborative and competition modules to improve model learning .
Outcome: Experiments show that TeamLoRA improves performance in multi-task learning . teamLorea integrates collaborative and competitive modules to improve performance .
More Data, More Relations, More Context and More Openness: A Review and Outlook for Relation Extraction (2020.aacl-main)

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Challenge: Existing methods for extracting relational facts from text have been successful . but with explosion of Web text, human knowledge is increasing drastically .
Approach: They propose to improve relation extraction methods to extract relational facts from text . they analyze existing methods and show promising directions towards more powerful RE .
Outcome: The proposed methods can extract relational facts from text, but they are still lacking in the current field.
Analyzing Chain-of-thought Prompting in Black-Box Large Language Models via Estimated V-information (2024.lrec-main)

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Challenge: Chain-of-Thought (CoT) prompting and large language models (LLMs) have shown great potential in improving performance on challenging reasoning tasks.
Approach: They propose a new metric which extends the concept of pointwise V-information to black-box models and quantifies label-relevant new information introduced by CoT prompting.
Outcome: The proposed metric extends the concept of pointwise V-information to black-box models, quantifying label-relevant new information introduced by CoT prompting beyond pre-existing label information.
Data Mixing Agent: Learning to Re-weight Domains for Continual Pre-training (2026.acl-long)

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Challenge: Existing methods for reweighting data mixtures rely on manual designation with certain heuristics based on intuition or empirical results.
Approach: They propose a model-based framework that learns to re-weight domains by reinforcement learning on large quantities of data mixing trajectories with corresponding feedback from an evaluation environment.
Outcome: The proposed framework outperforms baselines in achieving balanced performance across source and target fields and domain spaces without retraining.
RedApt: An Adaptor for wav2vec 2 EncodingFaster and Smaller Speech Translation without Quality Compromise (2022.findings-emnlp)

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Challenge: Pre-trained speech Transformers in speech translation systems have facilitated state-of-the-art (SotA) results, but their computational cost is high.
Approach: They propose a Reducer Adaptor block that could be seamlessly integrated within any Transformer-based speech encoding architecture.
Outcome: The proposed Reducer Adaptor block outperforms the existing SotA architecture by an average of 0.68 BLEU score on 8 language pairs from Must-C.
CB-Whisper: Contextual Biasing Whisper Using Open-Vocabulary Keyword-Spotting (2024.lrec-main)

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Challenge: End-to-end automatic speech recognition systems struggle to recognize rare name entities such as personal names, organizations and terminologies that are not frequently encountered in the training data.
Approach: They propose a convolutional neural network-based ASR system that performs open-vocabulary keyword-spotting before the decoder to match the features between the entities and the utterances.
Outcome: The proposed system significantly improves mixed-error-rate (MER) and entity recall compared to the original Whisper model on three internal datasets and two publicly available datasets.
Modeling Recurrence for Transformer (N19-1)

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Challenge: Existing studies show that the lack of recurrence modeling hinders the development of a translation model.
Approach: They propose to model recurrence for Transformer with an additional recurrent encoder.
Outcome: The proposed model outperforms the deep model on EnglishGerman and ChineseEnglish translation tasks.
On Fake News Detection with LLM Enhanced Semantics Mining (2024.emnlp-main)

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Challenge: Existing methods for detecting fake news use only news embeddings to capture the lexical semantics between tokens.
Approach: They propose a topic-based model with prompts to extract news embeddings from LLMs and a generalized page-rank model to extract local and global semantics.
Outcome: The proposed model shows superior performance on five benchmark datasets over seven baseline methods.
A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAM𝛥 Integration into Upcycled MoE (2026.acl-long)

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Challenge: Large Language Models (LLMs) are expensive and require extensive Continued Pre-Training and data-intensive alignment to expand.
Approach: They propose a method which upcycles a dense model into a Mixture-of-Experts architecture, allocating different experts to different languages.
Outcome: Experiments show that the proposed model upcycles a dense model into a Mixture-of-Experts(MoE) architecture, allocating different experts to different languages.
Enhancing Speech Large Language Models with Prompt-Aware Mixture of Audio Encoders (2025.emnlp-main)

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Challenge: Existing work on integrating audio encoders with large language models (LLMs) has focused on semantic understanding tasks, but different tasks may require distinct features that emphasize either semantic or acoustic aspects.
Approach: They propose to use a prompt-aware mixture to enhance the Speech LLM that uses multiple audio encoders to extract different features based on the prompt.
Outcome: The proposed approach outperforms all single-encoder Speech LLMs on ASR, speaker number verification, and AC tasks.
Knowledge Distillation based Contextual Relevance Matching for E-commerce Product Search (2022.emnlp-industry)

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Challenge: Existing approaches to e-commerce relevance matching ignore bipartite graphs in logs . experimental results show that proposed method improves human relevance judgment .
Approach: They propose an efficient knowledge distillation framework for e-commerce relevance matching to exploit the advantages of Transformer-style and classical relevance matching models.
Outcome: The proposed method significantly improves human relevance judgment on large-scale real-world data.
Vision-Language Models Can Self-Improve Reasoning via Reflection (2025.naacl-long)

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Challenge: Chain-of-thought (CoT) has been shown to improve the reasoning capability of large language models (LLMs).
Approach: They propose a framework which iteratively enhances the model’s Vision-language Reasoning by Reflecting on CoT Rationales.
Outcome: The proposed framework improves multimodal reasoning on vision-language tasks by 23% to 60% over baselines.
Adaptive Prompt Optimization for Open-Ended Tasks: Uncertainty Preference as a Secondary Signal (2026.findings-acl)

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Challenge: Recent training-free prompt optimizers treat performance as maximizing a single scalar score and ignore a second signal that the desired style is task dependent.
Approach: They propose a semantic-entropy-based method that uses task uncertainty to guide prompt optimization by selecting high-entropicy candidates for creative tasks and low-energetic candidates for conservative ones.
Outcome: The proposed method outperforms baselines on MT-Bench subsets and integrates easily into existing prompt optimizers.
Hello Again! LLM-powered Personalized Agent for Long-term Dialogue (2025.naacl-long)

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Challenge: Existing dialogue systems focus on brief single-session interactions, neglecting real-world needs for long-term companionship and personalized interactions.
Approach: They propose a model-agnostic framework for long-term dialogue agents . they use event summary and persona management to enable reasoning .
Outcome: The proposed framework incorporates three independently tunable modules dedicated to event perception, persona extraction, and response generation.
TEaR: Improving LLM-based Machine Translation with Systematic Self-Refinement (2025.findings-naacl)

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Challenge: Large Language Models (LLMs) have achieved impressive results in Machine Translation (MT). human evaluations reveal that LLM-generated translations still contain various errors.
Approach: They propose a LLM-based self-refinement framework that feeds error information back into LLMs to facilitate self-finement, leading to enhanced translation quality.
Outcome: The proposed framework outperforms internal refinement and feedback methods while ensuring a robust translation quality baseline.
Large Language Models Can Solve Real-World Planning Rigorously with Formal Verification Tools (2025.naacl-long)

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Challenge: Large Language Models (LLMs) struggle to generate correct plans for multi-constraint planning problems . a recent study showed that large language models have significant potential in solving planning problems.
Approach: They propose an LLM-based planning framework that formalizes and solves multi-constraint planning problems as constrained satisfiability problems.
Outcome: The proposed framework achieves a success rate of 93.9% and is effective with diverse paraphrased prompts.
Offline Reinforcement Learning for LLM Multi-step Reasoning (2025.findings-acl)

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Challenge: Large language models (LLMs) are increasingly applied to complex tasks requiring multi-step reasoning.
Approach: They propose an offline method for enhancing multi-step reasoning by optimizing the soft Bellman Equation by combining a policy model and a value function.
Outcome: The proposed method surpasses existing methods on multi-step reasoning benchmarks and can be extended to multi-iteration frameworks when additional resources are available.
Towards Probing Speech-Specific Risks in Large Multimodal Models: A Taxonomy, Benchmark, and Insights (2024.emnlp-main)

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Challenge: Large Multimodal Models have demonstrated a strong capability to understand multimodal information and interact with human users.
Approach: They propose a speech-specific risk taxonomy to assess LMMs' ability to detect high-risk interactions in multimodal settings.
Outcome: The proposed model is based on a speech-specific risk taxonomy covering 8 risk categories . it shows that the models are ineffective in detecting paralinguistic-specific risks in speech .
DeepMed: Building a Medical DeepResearch Agent via Multi-hop Med-Search Data and Turn-Controlled Agentic Training & Inference (2026.findings-acl)

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Challenge: Medical reasoning models are constrained by parametric knowledge and can induce hallucinations and spurious attributions.
Approach: They propose a model that uses a multi-hop med-search QA synthesis method to apply the DR paradigm in medical contexts.
Outcome: The proposed model outperforms larger medical reasoning models on medical benchmarks.
SmartSpanNER: Making SpanNER Robust in Low Resource Scenarios (2023.findings-emnlp)

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Challenge: Named Entity Recognition (NER) is one of the most fundamental tasks in natural language processing.
Approach: They propose a method which introduces a Named Entity Head (NEH) prediction task to SpanNER and performs multi-task learning together with task of span classification.
Outcome: The proposed method improves the robustness of SpanNER in low resource scenarios on the CoNLL03, Few-NERD, GENIA and ACE05 benchmark datasets.
Logical Consistency as a Bridge: Improving LLM Hallucination Detection via Label Constraint Modeling between Responses and Self-Judgments (2026.acl-long)

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Challenge: Existing methods for hallucination detection focus on implicit neural uncertainty or explicit symbolic reasoning, ignoring factual hallucinosities.
Approach: They propose a framework that bridges neural features and symbolic judgments for hallucination detection by leveraging a "meta-judgment" process to map symbolic labels back into the feature space.
Outcome: Extensive experiments on 4 public datasets, across 4 LLMs, against 8 baselines demonstrate the superiority of LaaB.
Towards Better Graph-based Cross-document Relation Extraction via Non-bridge Entity Enhancement and Prediction Debiasing (2024.findings-acl)

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Challenge: Existing studies on relation extraction ignore non-bridge entities, leading to bias during inference.
Approach: They propose a graph-based cross-document Relation Extraction model with non-bridge entity enhancement and prediction debiasing that integrates non-cross entities with target entities and bridge entities.
Outcome: The proposed model outperforms baseline models on open and closed datasets.
VQA-Augmented Machine Translation with Cross-Modal Contrastive Learning (2025.findings-emnlp)

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Challenge: Existing multimodal machine translation methods often extract visual features using pre-trained models while learning text features from scratch, leading to representation imbalance.
Approach: They propose a cross-modal VQA-augmented multimodal machine translation method . it aligns image-source text pairs and image-question text pairs through dual-text contrastive learning .
Outcome: The proposed method outperforms state-of-the-art methods on multiple evaluation metrics.
RMTBench: Benchmarking LLMs Through Multi-Turn User-Centric Role-Playing (2025.findings-emnlp)

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Challenge: Existing benchmarks focus on character-centric approach and fail to reflect real-world applications.
Approach: RMTBench is a user-centric bilingual role-playing benchmark featuring 80 diverse characters and over 8,000 dialogue rounds.
Outcome: RMTBench features 80 diverse characters and over 8,000 dialogue rounds.
Reasoning-Enhanced Domain-Adaptive Pretraining of Multimodal Large Language Models for Short Video Content Governance (2025.emnlp-industry)

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Challenge: Existing approaches to identifying inappropriate content require extensive human-labeled data and lack cross-issue generalization.
Approach: They propose a reasoning-enhanced multimodal large language model (MLLM) pretraining paradigm for unified inappropriate content detection.
Outcome: The proposed model improves the MLLM's performance in both zero-shot and supervised fine-tuning settings and shows strong generalization capabilities to emergent, previously unseen issues.
Understanding and Mitigating Bias Inheritance in LLM-based Data Augmentation on Downstream Tasks (2026.acl-long)

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Challenge: Generating synthetic datasets via large language models (LLMs) has emerged as promising approach to improve LLM performance.
Approach: They propose three mitigation strategies to mitigate bias inheritance in LLMs by analyzing real and LLM-augmented data.
Outcome: The proposed methods can work differently on different tasks and biases.
Path-enhanced Pre-trained Language Model for Knowledge Graph Completion (2025.findings-emnlp)

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Challenge: Pre-trained language models have achieved remarkable knowledge graph completion (KGC) success.
Approach: They propose a path-enhanced pre-trained language model-based knowledge graph completion method which uses multi-view generation to infer missing facts in triple-level and path-level simultaneously.
Outcome: The proposed method significantly improves the performance of the knowledge graph completion task.
On Safety Risks in Experience-Driven Self-Evolving Agents (2026.findings-acl)

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Challenge: Experience-driven self-evolution has emerged as a promising paradigm for improving the autonomy of large language model agents, yet its reliance on self-curated experience introduces underexplored safety risks.
Approach: They investigate how experience accumulation and utilization in self-evolving agents affect safety performance across web-based and embodied environments.
Outcome: The findings expose inherent limitations of current self-evolving agents and call for more principled strategies to ensure safe and reliable adaptation.
Iterative Self-Tuning LLMs for Enhanced Jailbreaking Capabilities (2025.naacl-long)

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Challenge: Recent research shows that Large Language Models (LLMs) are vulnerable to automated jailbreak attacks.
Approach: They propose a framework that crafts adversarial LLMs with enhanced jailbreak ability.
Outcome: ADV-LLM significantly reduces the computational cost of generating adversarial suffixes while achieving nearly 100% ASR on various open-source LLMs.
AgentThink: A Unified Framework for Tool-Augmented Chain-of-Thought Reasoning in Vision-Language Models for Autonomous Driving (2025.findings-emnlp)

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Challenge: Vision-Language Models struggle with hallucinations, inefficient reasoning, and limited real-world validation hinders accurate perception and robust step-by-step reasoning.
Approach: AgentThink integrates Chain-of-Thought reasoning with dynamic, agent-style tool invocation for autonomous driving tasks.
Outcome: Experiments on the DriveLMM-o1 benchmark show AgentThink significantly boosts overall reasoning scores by 53.91% and enhances answer accuracy by 33.54% .
A Framework of Knowledge Graph-Enhanced Large Language Model Based on Question Decomposition and Atomic Retrieval (2024.findings-emnlp)

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Challenge: Existing methods to enhance LLMs with knowledge graphs have limited results . knowledge graph question answering (KGQA) provides interpretable reasoning for large language models .
Approach: They propose a framework for KG-enhanced LLM based on question decomposition and atomic retrieval . they propose question decomposing tree as framework for LLM reasoning .
Outcome: The proposed framework outperforms existing reasoning-based baselines on KGQA datasets.
LoRAPrune: Structured Pruning Meets Low-Rank Parameter-Efficient Fine-Tuning (2024.findings-acl)

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Challenge: Low-rank adaption (LoRA) is a low-level pruning method that can be expensive and slow to deploy.
Approach: They propose a low-rank adaption pruning framework that provides an accurate structured pruned model in a memory-efficient manner.
Outcome: The proposed pruning framework reduces perplexity and memory usage by 52.6% on LLaMA and T5 models while reducing memory usage.
Separation and Fusion: A Novel Multiple Token Linking Model for Event Argument Extraction (2024.naacl-long)

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Challenge: Existing methods for event argument extraction (EAE) lack cross-event information and require longer role sequences . et al. (2017): outperforms state-of-the-art methods for EE.
Approach: They propose a separation-and-fusion paradigm to separate the acquisition of cross-event information and fuse it into the argument extraction of a target event.
Outcome: The proposed model outperforms the state-of-the-art models on four widely used datasets.
Traffic-R1: Reinforced LLMs Bring Human-Like Reasoning to Traffic Signal Control Systems (2026.acl-long)

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Challenge: Rapid urbanization and surging vehicle ownership intensify congestion . rapid urbanization drives crash rates, slow emergency response, and burden transit-poor communities .
Approach: They introduce a 3B-parameter foundation model with human-like reasoning for Traffic signal control (TSC) they use reinforcement learning and network communication to convert LLM into a traffic-control model that operates like a human traffic agent.
Outcome: The proposed model outperforms baselines and training-intensive RL controllers on a simulated traffic environment and reduces queue lengths by more than 5%.
Bit-by-Bit: Progressive QAT Strategy with Outlier Channel Splitting for Stable Low-Bit LLMs (2026.acl-long)

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Challenge: Existing approaches to training LLMs at ultra-low precisions suffer from convergence instability and substantial training costs.
Approach: They propose a progressive QAT framework with outlier channel splitting to address these issues . they use nested structure of integer quantization grids to enable a "train once, deploy any precision" paradigm .
Outcome: The proposed framework outperforms baselines on both Llama2/3 and W2A16, with an 11 speedup over BF16.
A Bounding Box is Worth One Token - Interleaving Layout and Text in a Large Language Model for Document Understanding (2025.findings-acl)

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Challenge: Existing methods for integrating spatial layouts with text have limitations . existing methods produce overly long text sequences or lack autoregressive traits of LLMs .
Approach: They introduce Interleaving Layout and Text in a Large Language Model (LayTextLLM) they use OCR-derived text and spatial layouts to integrate with LLMs for document understanding .
Outcome: The proposed model shows an increase in performance in KIE and VQA tasks.
Clustering and Ranking: Diversity-preserved Instruction Selection through Expert-aligned Quality Estimation (2024.emnlp-main)

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Challenge: Existing methods for instruction data selection have limitations such as relying on fragile external APIs, being affected by biases in GPT models, or reducing the diversity of the selected instruction dataset.
Approach: They propose an industrial-friendly, expert-aligned and diversity-preserved instruction data selection method: Clustering and Ranking (CaR).
Outcome: The proposed method outperforms Alpaca's existing methods by 32.1% in GPT-4 evaluations.
Sentiment Word Aware Multimodal Refinement for Multimodal Sentiment Analysis with ASR Errors (2022.findings-acl)

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Challenge: Existing models for multimodal sentiment analysis are limited in their capacity to be deployed in the real world.
Approach: They propose a model that can dynamically refine erroneous sentiment words by leveraging multimodal sentiment clues.
Outcome: The proposed model surpasses the state-of-the-art models on three datasets.
KeFVP: Knowledge-enhanced Financial Volatility Prediction (2023.findings-emnlp)

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Challenge: Current studies ignore the role of financial metrics knowledge in earnings calls and little consideration is given to integrating text and price information.
Approach: They propose to integrate financial metrics knowledge into text comprehension by knowledge-enhanced adaptive pre-training and effectively incorporating text and price information by introducing a conditional time series prediction module.
Outcome: The proposed method outperforms state-of-the-art methods on three real-world datasets and is effective and reliable.
From Observation to Understanding: Front-Door Adjustments with Uncertainty Calibration for Enhancing Egocentric Reasoning in LVLMs (2025.findings-acl)

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Challenge: Existing methods that adapt LVLMs to egocentric tasks overlook critical agent-environment interactions, limiting their ability to perform egoic reasoning.
Approach: They propose a zero-shot paradigm to enhance egocentric reasoning by simulating human causal reasoning by formalizing ego-centric reasoning using a structural causal model.
Outcome: The proposed method improves egocentric reasoning abilities on six tasks.
Cross-Domain Audio Deepfake Detection: Dataset and Analysis (2024.emnlp-main)

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Challenge: Existing audio deepfake detection datasets are outdated and lack generalization capabilities.
Approach: They construct a new cross-domain audio deepfake detection dataset comprising over 300 hours of speech data that is generated by five advanced zero-shot TTS models.
Outcome: The proposed models achieve 4.1% and 6.5% error rates in the cross-domain ADD dataset generated by five advanced zero-shot TTS models.
Visual Prompt Tuning for Few-Shot Text Classification (2022.coling-1)

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Challenge: Existing work on pretraining models for text classification uses image encoders instead of visual prompts.
Approach: They propose a method to deploy large-scale pre-trained models in the prompt-tuning paradigm in few-shot learning.
Outcome: The proposed method outperforms the most recent prompt-tuning methods on five public text classification datasets.
EpiGEN: An Efficient Multi-Api Code GENeration Framework under Enterprise Scenario (2024.lrec-main)

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Challenge: Existing approaches to large language models fail to meet expectations for code generation tasks . existing approaches are faced with drawbacks of high resource consumption and inadequate handling of multi-API tasks.
Approach: They propose an Efficient multi-Api code GENeration framework that uses private APIs to pre-train LLMs.
Outcome: The proposed framework shows good acceptability and readability on single-GPU tasks compared to fully fine-tuned LLMs with a larger number of parameters.
Can Large Language Models Effectively Support Decision-Making in Sudden Emergencies? (2026.findings-acl)

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Challenge: Existing research has focused on the earlier stages of emergency response . lack of suitable datasets for reliable and compliance-aware decision-oriented modeling and evaluation is limiting current research .
Approach: They propose a first real-world emergency decision-making dataset EDM-Bench . they propose 'rule-enhanced reasoning framework' that integrates external regulatory knowledge with constrained inference mechanisms to improve both decision safety and interpretability.
Outcome: The proposed framework improves decision safety and interpretability by integrating regulatory knowledge with constrained inference mechanisms.
QDMR-based Planning-and-Solving Prompting for Complex Reasoning Tasks (2024.lrec-main)

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Challenge: Existing Plan-and-Solve prompting methods are difficult to implement for complex questions.
Approach: They propose a plan-and-solve prompting method based on Question Decomposition Meaning Representation (QDMR) it allows LLM to generate a QDMR graph to represent problem-solving logic .
Outcome: The proposed method can represent and execute the problem-solving logic of complex questions more accurately than existing methods.
Capture Human Disagreement Distributions by Calibrated Networks for Natural Language Inference (2022.findings-acl)

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Challenge: Previously, it's common to disregard it as noise or as a sign of poor-quality data, as their annotations are heavily based on personal experience and opinions.
Approach: They propose to capture the human disagreement distribution from the perspective of model calibration.
Outcome: The proposed model can achieve competitive performance when well-calibrated, on divergence scores between predictive probability and the true human opinion distribution, and the accuracy.
Improved Pseudo Data for Machine Translation Quality Estimation with Constrained Beam Search (2023.emnlp-main)

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Challenge: evaluating the quality of machine translation outputs becomes increasingly essential with the rapid development of machine language (MT).
Approach: They propose to generate pseudo data using the MT model with constrained beam search (CBSQE) they propose to preserve the reference parts with high MT probabilities as correct translations .
Outcome: The proposed model outperforms strong baselines in both supervised and unsupervised settings.
LLM-Based Agent Society Investigation: Collaboration and Confrontation in Avalon Gameplay (2024.emnlp-main)

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Challenge: Existing studies on LLM agents' social behaviors are lacking . previous studies focused on positive social behaviors, leaving research on negative social behaviors relatively scarce.
Approach: They propose a framework that features a multi-agent system facilitating efficient communication and interaction with LLM agents.
Outcome: The proposed framework is based on Avalon and evaluates on game success and analyzes agents’ social behaviors.
Stephanie: Step-by-Step Dialogues for Mimicking Human Interactions in Social Conversations (2025.findings-naacl)

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Challenge: a new paradigm for dialogue systems is being developed to mimic human interactions . the current single-step dialogue paradigm lacks the depth and fluidity of human interactions.
Approach: They propose a step-by-step dialogue paradigm that mimics human interactions . they use a dataset to fine-tune existing language models .
Outcome: The proposed system mimics the dynamic nature of human conversations . it is compared with existing paradigms and will be released later this year .
Learning to Rewrite: Generalized LLM-Generated Text Detection (2025.acl-long)

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Challenge: Existing detectors for Large Language Models (LLMs) struggle to generalize in open-world settings.
Approach: They propose a framework to detect LLM-generated text with exceptional generalization to unseen domains by reinforcing LLMs’ inherent rewriting tendencies.
Outcome: The proposed framework outperforms state-of-the-art detection methods by 23.04% in AUROC, 35.10% for out-of distribution tests, and 48.66% under adversarial attacks.
Ancient Chinese Glyph Identification Powered by Radical Semantics (2024.findings-acl)

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Challenge: Currently, about half of ancient Chinese glyphs have not been deciphered yet.
Approach: They propose to use a Chinese glyph knowledge graph to infer the Chinese character label for the unknown ancient Chinese . they propose to combine the visual, textual, and the graph data to create a multimodal Chinese morph identification framework.
Outcome: The proposed method can identify ancient Chinese characters from 1300 BC to 200 BC based on image and radical semantics on a 1000-year-old Chinese glyph dataset.
INarIG: Iterative Non-autoregressive Instruct Generation Model For Word-Level Auto Completion (2023.findings-emnlp)

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Challenge: Existing models for word-level autocompletion (WLAC) only use human typed sequences as prefixes in decoding module.
Approach: They propose a novel iterative nonautoregressive instruct generation model for WLAC task . it uses human typed sequences and iterating decoding with subwords to fully utilize input information.
Outcome: The proposed model is more competent in dealing with low-frequency words, and achieves state-of-the-art results on the WMT22 and benchmark datasets.
Pruning via Merging: Compressing LLMs via Manifold Alignment Based Layer Merging (2024.emnlp-main)

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Challenge: Existing methods for parameter pruning fail to utilize the knowledge from pruned parameters.
Approach: They propose a method that uses manifold learning and the Information Bottleneck measure to merge similar layers to preserve model performance.
Outcome: The proposed method outperforms pruning methods on multiple datasets and LLMs with quantization and achieves substantial compression ratios.
StableToolBench-MirrorAPI: Modeling Tool Environments as Mirrors of 7,000+ Real-World APIs (2025.findings-acl)

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Challenge: Existing tool environments face challenges in balancing stability, scale, and realism, especially for benchmarking purposes.
Approach: They propose a framework that trains specialized LLMs to accurately simulate real API responses by supervised fine-tuning and chain-of-thought reasoning.
Outcome: The proposed framework achieves superior accuracy and stability compared to state-of-the-art methods on the newly constructed MirrorAPI-Bench and its integration into StableToolBench.
Imagination and Contemplation: A Balanced Framework for Semantic-Augmented Multimodal Machine Translation (2025.findings-emnlp)

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Challenge: Multimodal Machine Translation (MMT) is effective in resolving linguistic ambiguities, but visual information often introduces redundancy or noise, potentially impairing translation quality.
Approach: They propose a semantic-augmented framework that integrates "Imagination" and "Contemplation" they first generate synthetic images from source text and align them with authentic images via an optimal transport loss .
Outcome: The proposed framework outperforms baselines on translation datasets with visually ambiguous or weakly correlated content.
MdEval: Massively Multilingual Code Debugging (2026.findings-acl)

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Challenge: Existing benchmarks primarily focus on Python and are limited in terms of language diversity.
Approach: They propose a multilingual debugging benchmark that includes 3.9K test samples of 20 programming languages and introduces the debug instruction corpora MdEval-Instruct by injecting bugs into the correct multilingual queries and solutions.
Outcome: The proposed benchmark includes 3.9K test samples of 20 programming languages and covers the automated program repair task, bug localization task, and bug identification task.
Diffusion Glancing Transformer for Parallel Sequence-to-Sequence Learning (2024.naacl-long)

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Challenge: Experimental results show that non-autoregressive generation models are superior in generation efficiency but inferior in generation quality.
Approach: They propose a diffusion glancing transformer which employs a modality diffusion process and residual glancy sampling to improve multi-modality modeling.
Outcome: The proposed model outperforms autoregressive and non-autoregressive models on machine translation and text generation benchmarks.
LLMRouterBench: A Massive Benchmark and Unified Framework for LLM Routing (2026.findings-acl)

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Challenge: Large language model (LLM) routing assigns each query to the best suitable model from an ensemble.
Approach: They introduce a large-scale benchmark and unified framework for LLM routing . they find that many routing methods exhibit similar performance under unified evaluation .
Outcome: The proposed benchmark provides comprehensive metrics for both performance-oriented and performance-cost trade-off routing.
Rethinking Data Mixing from the Perspective of Large Language Models (2026.acl-short)

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Challenge: Existing methods to mix data with LLMs have relied on domain definitions derived from intuition.
Approach: They propose a reweighting framework that restructures data scheduling as a graph-constrained optimization problem.
Outcome: The proposed framework achieves competitive performance on GPT-2 models.
DoCIA: An Online Document-Level Context Incorporation Agent for Speech Translation (2025.findings-acl)

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Challenge: Document-level context is crucial for speech translation due to noise from ASR . incorporating document-level contextual information into ST remains a challenge .
Approach: They develop an online framework that integrates document-level context into machine translation . they use document-based modules to integrate document- level context into ST .
Outcome: The proposed framework outperforms baselines in sentence and discourse metrics . it can correct ASR transcription errors and improve translation performance .
MorphoBench: A Benchmark with Difficulty Adaptive to Model Reasoning (2026.findings-acl)

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Challenge: Existing benchmarks designed to evaluate the reasoning capabilities of large models are limited in scope and lack flexibility to adapt difficulty according to evolving reasoning capacities of models.
Approach: They propose a benchmark that incorporates multidisciplinary questions to evaluate the reasoning capabilities of large models and can adjust and update question difficulty based on the reasoning abilities of advanced models.
Outcome: The proposed benchmark incorporates multidisciplinary questions to evaluate the reasoning capabilities of large models and can adjust and update question difficulty based on the reasoning abilities of advanced models.
Face-Sensitive Image-to-Emotional-Text Cross-modal Translation for Multimodal Aspect-based Sentiment Analysis (2022.emnlp-main)

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Challenge: Existing models focus on utilizing semantic information in the image but ignore using visual emotional cues.
Approach: They propose a face-sensitive image-to-emotional-text translation method that captures visual emotional cues through facial expressions and selectively matches and fuses with the textual content.
Outcome: The proposed method achieves state-of-the-art results on the Twitter-2015 and Twitter-2017 datasets.
CGF: Constrained Generation Framework for Query Rewriting in Conversational AI (2022.emnlp-industry)

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Challenge: Large-scale conversational AI agents such as Alexa, Siri and Google Assistant help millions of users to perform a lot of tasks.
Approach: They propose a Constrained Generation Framework for query rewriting at global and personalized levels.
Outcome: The proposed framework significantly boosts the query rewriting performance.
Overcoming Catastrophic Forgetting During Domain Adaptation of Seq2seq Language Generation (2022.naacl-main)

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Challenge: Existing work on lifelong learning requires incremental memory space to learn a model . existing work on experience replay or elastic weighted consolidation requires incremental space .
Approach: They propose a framework that leverages a recall optimization mechanism to memorize parameters of previous tasks via regularization and a domain drift estimation algorithm to compensate the drift between different domains in the embedding space.
Outcome: The proposed framework outperforms SOTA models on paraphrase and dialog response generation tasks.
BabelDOC: Better Layout-Preserving PDF Translation via Intermediate Representation (2026.acl-demo)

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Challenge: Existing document translation pipelines face a tension between linguistic processing and layout preservation.
Approach: They propose a framework for layout-preserving PDF translation that decouples visual layout metadata from semantic content.
Outcome: The proposed framework improves layout fidelity, visual aesthetics, and terminology consistency over representative baselines while maintaining competitive translation precision.
M-Ped: Multi-Prompt Ensemble Decoding for Large Language Models (2025.findings-emnlp)

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Challenge: a new ensemble decoding approach enhances the performance of Large Language Models.
Approach: They propose a multi-prompt ensemble decoding approach to enhance LLM performance . they submit n variations of prompts with X to LLMs in batch mode to decode and derive probability distributions .
Outcome: The proposed method improves pass@k rates, LENS metrics and BLEU scores on diverse NLP tasks.
Demystifying Data Organization for Enhanced LLM Training (2026.acl-long)

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Challenge: Large Language Models (LLMs) have revolutionized various fields, yet their training efficiency is heavily reliant on effective data curation.
Approach: They propose to reuse pre-computed sample-level scores originally generated for data efficiency and introduce two new data ordering methods to improve LLM training.
Outcome: The proposed methods improve the stability and performance of LLM training.
Diversity Helps Jailbreak Large Language Models (2025.naacl-long)

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Challenge: Existing methods for jailbreaking large language models rely on laborious human engineering and whitebox access to model internals.
Approach: They propose a method that instructs large language models to deviate from prior context and generate harmful outputs by instructing them to deviat from previous attacks.
Outcome: The proposed method achieves a 62.83% higher success rate in compromising ten leading chatbots, while using only 12.9% of the queries.
DUET: Joint Exploration of User–Item Profiles in Recommendation System (2026.findings-acl)

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Challenge: Existing LLMs are opaque and difficult to interpret, resulting in limited interpretability.
Approach: They propose an interaction-aware profile generator that jointly produces user and item profiles conditioned on both user history and item evidence.
Outcome: The proposed model outperforms baselines on three real-world datasets.
Modeling Consistency Preference via Lexical Chains for Document-level Neural Machine Translation (2022.emnlp-main)

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Challenge: Experimental results show that consistency preference for lexical chains reduces lexical translation inconsistency . Lexical translation consistency is a common discourse phenomenon .
Approach: They propose a consistency-aware model which captures consistency context . they then define consistency-tailored latent variables which guide translation of corresponding sentences .
Outcome: The proposed model significantly improves translation performance in ChineseEnglish and FrenchEnglish translation tasks.
Part Represents Whole: Improving the Evaluation of Machine Translation System Using Entropy Enhanced Metrics (2022.findings-aacl)

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Challenge: Existing machine translation metrics have poor correlations with human assessments . entropy-based evaluations are often limited to a limited number of samples .
Approach: They propose a fast and unsupervised approach to enhance machine translation metrics using entropy by introducing sentence-level difficulty.
Outcome: The proposed method outperforms existing metrics on five sub-tracks in the WMT19 Metrics shared tasks.
Communication-Efficient Desire Alignment for Proactive Embodied Human–Agent Interaction (2026.acl-long)

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Challenge: Effective real-world human–agent interactions are long-term and repeated.
Approach: They propose a simulation that uses a proxy user with value-driven preferences and natural language behavior to evaluate how agents adapt to users across interactions and satisfy their desires.
Outcome: HA-Desire, a home assistance simulation, shows that agents can adapt to user needs and provide proactive assistance within limited communication.
DICA: Dual-Indicator Guided Contrastive Alignment in Multimodal Large Language Models (2026.findings-acl)

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Challenge: Multimodal large language models may deviate from this pattern due to attention drift and underutilization of visual evidence.
Approach: They propose a Dual-Indicator Guided Contrastive Alignment (DICA) that tracks visual attention and output image correlations to improve visual grounding.
Outcome: The proposed model outperforms existing approaches and significantly reduces hallucinations.
Learning with Noisy Labels for Sentence-level Sentiment Classification (D19-1)

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Challenge: Existing research on learning with noisy labels dates back to the 1980s, but it is still vibrant today.
Approach: They propose a novel DNN model called NetAb to deal with noisy labels during training and train the networks using their respective loss functions in mutual reinforcement.
Outcome: The proposed model can fit training data with noisy labels and predict clean labels.
Mind the Gap: Static and Interactive Evaluations of Large Audio Models (2025.acl-long)

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Challenge: Recent work has focused on evaluating large audio models (LAMs) that directly accept audio inputs.
Approach: They propose an interactive approach to evaluate large audio models and collect 7,500 LAM interactions from 484 participants.
Outcome: The proposed model is based on a set of user-generated audio interfaces with 7,500 interactions from 484 participants.
Learning from Emptiness: De-biasing Listwise Rerankers with Content-Agnostic Probability Calibration (2026.acl-short)

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Challenge: Existing methods for listwise reranking exhibit intrinsic position bias . existing methods are constrained by an inherent trade-off between efficiency and flexibility .
Approach: They propose a training-free framework that mechanically decouples positional bias from ranking decisions.
Outcome: a training-free framework decouples position bias from ranking decisions . evaluations show it outperforms training-based methods and outperformed expensive methods .
Augmenting Reasoning Capabilities of LLMs with Graph Structures in Knowledge Base Question Answering (2024.findings-emnlp)

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Challenge: Recent work uses Large Language Models (LLMs) for semantic parsing to address Knowledge Base Question Answering tasks.
Approach: They propose a framework that augments reasoning capabilities of LLMs with Graph Structures in Knowledge Base Question Answering to retrieve question-related graph structures.
Outcome: The proposed framework outperforms existing methods on GrailQA and WebQSP under the few-shot setting.
Bridging SFT and RL: Dynamic Policy Optimization for Robust Reasoning (2026.findings-acl)

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Challenge: Existing unified optimization strategies overlook the statistical conflict between these distinct gradient signals.
Approach: They propose a framework to reduce bias-variance trade-offs in Large Language Models . they propose DYPO, which leverages intrinsic group dynamics to significantly reduce RL gradient variance .
Outcome: The proposed framework outperforms traditional pipelines on reasoning benchmarks and out-of-distribution tasks.
PRompt Optimization in Multi-Step Tasks (PROMST): Integrating Human Feedback and Heuristic-based Sampling (2024.emnlp-main)

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Challenge: Prompt optimization aims to find the best prompt to a large language model (LLM) for a given task.
Approach: They propose a method to optimize prompts for LLM-driven multi-step tasks using a human-designed feedback rule.
Outcome: The proposed method outperforms human-engineered prompts and several other prompt optimization methods on 11 representative multi-step tasks.
Chain-of-Thought Reasoning in Tabular Language Models (2023.findings-emnlp)

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Challenge: Existing approaches to extend chain-of-thought reasoning into large language models are not viable in the scenario of privatization deployment or limited resources.
Approach: They propose a framework that extends chain-of-thought reasoning into tabular language models . framework coordinates two TaLMs responsible for CoT generation and answer inference .
Outcome: The proposed framework outperforms the state-of-the-art ChatGPT on the TABMWP dataset by 9.55% (82.60%92.15% in accuracy) with less parameters (0.8B).
Faster MoE LLM Inference for Extremely Large Models (2026.findings-acl)

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Challenge: Existing inference optimizations for coarse-grained Mixture-of-Experts models implicitly assume a fixed activation budget, which is poorly understood.
Approach: They propose a training-free policy that adapts token-level activation using router confidence and entropy while remaining within the model’s original budget.
Outcome: The proposed skipping policy can provide substantial throughput gains, but optimal static schedules vary significantly across models and routing mechanisms.
Enhancing LLM-based Search Agents via Contribution Weighted Group Relative Policy Optimization (2026.acl-long)

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Challenge: Existing approaches to training large language models suffer from unstable value estimation, whereas outcome supervision struggles with credit assignment due to sparse, trajectory-level rewards.
Approach: They propose a framework that integrates process supervision into group relative policy optimization.
Outcome: The proposed framework outperforms standard GRPO on knowledge-intensive benchmarks by 5.0% and 6.3% on Qwen3-1.7B.
DeMPT: Decoding-enhanced Multi-phase Prompt Tuning for Making LLMs Be Better Context-aware Translators (2024.emnlp-main)

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Challenge: Concatenating large language models are adapted to context-aware neural machine translation in a concatenated way . a recent paradigm shift has been witnessed in discourse-related challenges such as zero pronoun translation .
Approach: They propose an alternative adaptation approach to make large language models discriminately model and utilize inter- and intra-sentence contexts.
Outcome: The proposed approach outperforms concatenation mode and improves performance in discourse modeling.
StableToolBench: Towards Stable Large-Scale Benchmarking on Tool Learning of Large Language Models (2024.findings-acl)

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Challenge: Large Language Models (LLMs) have witnessed remarkable advancements in recent years, prompting the exploration of tool learning.
Approach: They propose a virtual API server and stable evaluation system to assess the stability of large-scale real-time APIs.
Outcome: The proposed benchmarks demonstrate the stability of the proposed system and its caching system.
Training Verifier to Assessing Complex Real-World Tool-Use Trajectories (2026.findings-acl)

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Challenge: Existing methods for training effective AI agents often resort to synthetic data generation.
Approach: They propose a plug-and-play framework for data quality control in tool-use scenarios . they construct a tool-verify dataset and release a benchmark to assess its performance .
Outcome: The proposed framework surpasses Qwen2.5-72B-Instruct on Tool-V-Bench and the previous APIGen-MT dataset.
Explain the Synth: Interpretable Evaluation of LLM Data Synthesis (2026.acl-long)

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Challenge: Large language models (LLMs) are increasingly used to generate tabular data.
Approach: They propose a framework that uses a rule-based model as a shared explanatory language to examine the explanation of real versus synthetic data.
Outcome: The proposed framework compares the explanatory structure induced by real versus synthetic data.
Lexical Translation Inconsistency-Aware Document-Level Translation Repair (2023.findings-acl)

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Challenge: Experimental results show document-level translation repair improves translation consistency but still suffers from lexical translation inconsistency due to the lack of inter-sentence context.
Approach: They propose a document-level translation repair model to model translation inconsistency via automatic post-editing.
Outcome: The proposed model improves translation quality and lexical consistency on document-level translation datasets.
Look Beyond Feeling: Unveiling Latent Needs from Implicit Expressions for Proactive Emotional Support (2025.emnlp-main)

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Challenge: Large language models (LLMs) are gaining popularity as scalable tools for mental health support . however, nearly half of individuals do not receive timely support due to limited selfawareness or reluctance to seek help.
Approach: They propose a proactive emotional support framework that leverages principles of active listening to uncover implicit user needs.
Outcome: The proposed model elicits implicit emotional needs and delivers empathetic support compared to baselines .
CFBench: A Comprehensive Constraints-Following Benchmark for LLMs (2025.acl-long)

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Challenge: Existing evaluations of Large Language Models (LLMs) focus on fragmented constraints or narrow scenarios, but they overlook the comprehensiveness and authenticity of constraints from the user’s perspective.
Approach: They propose a Chinese Comprehensive Constraints Following Benchmark for LLMs that compiles constraints from real-world instructions and constructs a systematic framework for constraint types.
Outcome: The proposed framework integrates multi-dimensional assessment criteria with requirement prioritization, covering various perspectives of constraints, instructions, and requirement fulfillment.
History Semantic Graph Enhanced Conversational KBQA with Temporal Information Modeling (2023.acl-long)

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Challenge: Existing methods for conversational KBQA assume the independence of utterances and model them in isolation.
Approach: They propose a History Semantic Graph Enhanced KBQA model that models long-range semantic dependencies in conversation history while maintaining low computational cost.
Outcome: The proposed model outperforms baselines on a widely used question type dataset.
Linking Adaptive Structure Induction and Neuron Filtering: A Spectral Perspective for Aspect-based Sentiment Analysis (2024.lrec-main)

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Challenge: incorporating structure information can improve the performance of aspect-based sentiment analysis.
Approach: They propose a method to conduct neuron-level manipulations on word representations in the frequency domain.
Outcome: The proposed method can achieve or come close to state-of-the-art in ABSA.
IM-TQA: A Chinese Table Question Answering Dataset with Implicit and Multi-type Table Structures (2023.acl-long)

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Challenge: Existing benchmarks only evaluate model performance on tables with explicit table structures, which means headers are explicitly annotated and treated as model input during inference.
Approach: They propose a new Table Question Answering (TQA) dataset with implicit and multi-type table structures that requires the model to understand tables without directly available header annotations.
Outcome: The proposed framework outperforms baselines on a dataset with implicit and multi-type table structures and can handle multi-table tables including previously neglected complex tables.
ZiNet: Linking Chinese Characters Spanning Three Thousand Years (2022.findings-acl)

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Challenge: tens of thousands of ancient characters must be deciphered by experts to interpret unearthed documents.
Approach: They propose a diachronic Chinese knowledge base to help researchers discover glyph similar characters by measuring glyph similarities between ancient Chinese characters.
Outcome: The proposed method shows strong correlations between the scores obtained from the method and from human experts.
Purging the Gray Zone: Latent-Geometric Denoising for Precise Knowledge Boundary Awareness (2026.findings-acl)

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Challenge: Existing abstention fine-tuning methods cause models to suffer from label noise near the decision boundaries.
Approach: They propose a latent space representation perspective for abstention fine-tuning . they propose 'geometric denoising' framework that constructs a truth hyperplane .
Outcome: The proposed framework significantly enhances model truthfulness and demonstrates strong generalization in out-of-distribution scenarios.
Text Style Transfer Back-Translation (2023.acl-long)

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Challenge: Current methods require large amount of bilingual training data, which is challenging and sometimes impossible task.
Approach: They propose a method to modify the style of inputs by modifying the source side of BT data.
Outcome: The proposed method significantly improves translation quality against popular BT benchmarks on high-resource and low-resourced language pairs.
Collective Human Opinions in Semantic Textual Similarity (2023.tacl-1)

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Challenge: Existing benchmarks for semantic textual similarity (STS) use averaged human ratings as gold standard.
Approach: They propose to use a Chinese sentence-to-sentence dataset to study collective human opinions in semantic textual similarity (STS) neither a scalar nor a single Gaussian fits a set of observed judgments adequately, they argue .
Outcome: The proposed dataset does not capture disagreements on individual instances, but rather the confidence over the aggregate dataset.
A Novel Paradigm Boosting Translation Capabilities of Large Language Models (2024.findings-naacl)

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Challenge: Existing studies on LLMs focused on supervised fine-tuning but their effectiveness has been limited.
Approach: They propose a paradigm consisting of three stages: Secondary Pre-training using extensive monolingual data, Continual Pre- training with interlinear text format documents, and Leveraging source-language consistent instruction for supervised fine-tuning.
Outcome: The proposed approach surpasses previous work and achieves superior performance compared to models such as NLLB-54B(CITATION) and GPT3.5-text-davinci-003.
Enhancing Hyperbolic Knowledge Graph Embeddings via Lorentz Transformations (2024.findings-acl)

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Challenge: Existing methods for knowledge graph embedding rely on tangent approximation and are not fully hyperbolic.
Approach: They propose a fully hyperbolic KGE method that represents entities as points in the Lorentz model and represents relations as the intrinsic transformation.
Outcome: The proposed method captures various types of relations including hierarchical structures.
Neighbors Are Not Strangers: Improving Non-Autoregressive Translation under Low-Frequency Lexical Constraints (2022.naacl-main)

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Challenge: Existing approaches to lexically constrained neural machine translation suffer from high latency.
Approach: They propose a plug-in algorithm for non-autoregressive translation for this problem . they propose ACT to familiarize the model with the source-side context of constraints .
Outcome: The proposed model improves over the backbone constrained NAT model in constraint preservation and translation quality, especially for rare constraints.
Rejection-to-Acceptance Transition: Model Editing-Based Jailbreak Backdoor Injection Not Limited to Few Output Tokens (2026.findings-acl)

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Challenge: Existing methods for jailbreaking LLMs are implemented by binding backdoors to predefined phrases as first few output tokens, inducing the LLM’s next-token prediction to produce continuous responses.
Approach: They propose a model editing-based jailbreak backdoor attack that hijacks LLM representations into a acceptance domain rather than binding to a few output tokens.
Outcome: The proposed model editing method outperforms existing methods, showing stronger jailbreak capabilities across LLMs and datasets.
Prompt Tuning for Unified Multimodal Pretrained Models (2023.findings-acl)

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Challenge: Prompt tuning has demonstrated success in natural language pretraining and even vision pretraining.
Approach: They propose to apply prompt tuning to a unified sequence-to-sequence pretrained model by adding a sequence of learnable embeddings to each layer and finetuning the pretrained models on downstream tasks.
Outcome: The proposed method outperforms other parameter-efficient tuning methods on multimodal models and is robust against adversarial attacks.
Token-level Proximal Policy Optimization for Query Generation (2025.emnlp-main)

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Challenge: Large Language Models (LLMs) have improved search engines and recommendation systems through their text understanding capabilities.
Approach: They propose a token-level proximal policy optimization approach to empower LLMs to perform better in query generation through fine-tuning.
Outcome: The proposed approach outperforms existing LLMs on an open-source and industrial dataset.
Beyond Output Confidence: Epistemic-Aware Hallucination Detection with Answer-Level Signals (2026.findings-acl)

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Challenge: Existing methods for detecting hallucinations are confounded by epistemic uncertainty and cannot distinguish genuine uncertainty from fabricated content.
Approach: They propose a model-agnostic metric that captures epistemic boundary deviations by measuring answer-level stability across multiple stochastic forward passes.
Outcome: The proposed metric outperforms strong uncertainty-only baselines and can be used to detect hallucinations on open-domain question answering, dialogue generation, and code completion.
End-to-End Learnable Psychiatric Scale Guided Risky Post Screening for Depression Detection on Social Media (2025.emnlp-main)

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Challenge: Existing methods to detect depression from social media posting history are limited by frozen screening models and lack of learning.
Approach: They propose to use a frozen screening model to train a risky post detection model with psychiatric scales to enable a learnable end-to-end learning process.
Outcome: The proposed model outperforms several strong baseline methods and qualitative analysis confirms that it better captures users’ mental states than others.
Social Intelligence in the Age of LLMs (2025.naacl-tutorial)

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Challenge: Large Language Models (LLMs) are a powerful tool for integrating human-like communication and context-aware interactions into artificial systems.
Approach: They propose to introduce and overview different aspects of artificial social intelligence and their relationship with LLMs by introducing scientific methods for evaluating social intelligence in LLM.
Outcome: This tutorial will introduce scientific methods for evaluating social intelligence in LLMs, highlighting the key challenges, and identifying promising research directions.
Plug-and-Play Data Module for Code RL: Adaptive Ambiguity Replay (2026.findings-acl)

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Challenge: Existing approaches to reinforcement learning (RL) rely on static, in-epoch metrics that overlook training dynamics, often introducing low-utility or outdated data.
Approach: They propose a plug-and-play module that prioritizes cross-epoch ambiguous samples to neutralize the noise from stale experiences.
Outcome: Extensive experiments on nine LLMs show that Adaptive Ambiguity Replay outperforms state-of-the-art baselines on real-world code editing tasks.
FCGCL: Fine- and Coarse-Granularity Contrastive Learning for Speech Translation (2022.findings-emnlp)

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Challenge: Existing methods to perform implicit knowledge transfer from machine translation to ST model are difficult because of the task complexity and data scarcity.
Approach: They recommend a method which conducts explicit knowledge transfer from MT to ST model by fine and coarse granularity contrastive learning.
Outcome: The proposed method improves the performance of the end-to-end speech translation model on all 8 languages.
Self-Critique Guided Iterative Reasoning for Multi-hop Question Answering (2025.findings-acl)

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Challenge: Large language models (LLMs) have demonstrated remarkable reasoning capabilities, but they still face challenges in knowledge-intensive multi-hop reasoning.
Approach: They propose a method that uses self-critique feedback to guide iterative reasoning by enabling iteration and self-evaluation of its intermediate reasoning steps.
Outcome: The proposed method surpasses the previous SOTA by 8.6% on three multi-hop reasoning datasets.
Reshaping Representation Space to Balance the Safety and Over-rejection in Large Audio Language Models (2025.emnlp-main)

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Challenge: Large Audio Language Models (LALMs) have demonstrated unprecedented capabilities in natural language understanding and generation, revolutionizing human-machine dialogue.
Approach: They propose an unsupervised safety-fine-tuning strategy that reshapes LALMs representation space to enhance existing LALM safety-alignment while balancing the risk of over-rejection.
Outcome: The proposed approach improves LALMs safety under three input conditions while increasing over-rejection rate by only 0.88% on average.
Submodular-based In-context Example Selection for LLMs-based Machine Translation (2024.lrec-main)

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Challenge: Prior studies have focused on the role of well-chosen examples in in-context learning .
Approach: They propose to use multiple translational factors for in-context example selection by using monotone submodular function maximization.
Outcome: The proposed approach outperforms random selection and robust single-factor baselines across various NLP tasks.
QaRL: Rollout-Aligned Quantization-Aware RL for Fast and Stable Training under Training–Inference Mismatch (2026.findings-acl)

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Challenge: Recent work has shown that reinforcement learning with simple rule-based reward functions (RLVR) can induce emergent reasoning behaviors and yield gains in challenging domains such as math problem solving.
Approach: They propose a rollout-alignment-quantization-aware RL which aligns training-side forward with the quantized rollout to minimize mismatch.
Outcome: The proposed approach outperforms quantized-rollout training by +5.5 on Qwen3-30B-A3B MoE for math problems while maintaining low-bit throughput.
PolCLIP: A Unified Image-Text Word Sense Disambiguation Model via Generating Multimodal Complementary Representations (2024.acl-long)

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Challenge: Existing models for word sense disambiguation lack images or senses in textual and visual datasets.
Approach: They propose a unified image-text WSD model that uses image-sense complementarity to generate visual representations for word senses and a disambiguation-oriented image-sensor dataset to provide implicit textual representations.
Outcome: The proposed model achieves 2.53% F1-score increase over state-of-the-art models on Textual-WSD and 2.22% HR@1 improvement on Visual-WSS.
Taming Text-to-Image Synthesis for Novices: User-centric Prompt Generation via Multi-turn Guidance (2025.emnlp-main)

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Challenge: Existing solutions for text-to-image synthesis are sensitive on textual prompts, posing a challenge for novice users.
Approach: They propose a dialogue-based TIS prompt generation model that emphasizes user experience for novice users.
Outcome: The proposed model emphasizes user experience for novice users . it improves user-centricity score while maintaining a competitive quality of synthesized images.
Do Vision-Language Models Have Internal World Models? Towards an Atomic Evaluation (2025.findings-acl)

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Challenge: Recent studies have evaluated and shown limitations in specific capabilities such as visual understanding, but a systematic evaluation of VLMs’ fundamental WM abilities remains absent.
Approach: They propose a framework that assesses perception and prediction to provide an atomic evaluation of VLMs as WMs.
Outcome: The proposed framework assesses perception and prediction abilities on 15 latest VLMs and compares them to human-level models.
Two Intermediate Translations Are Better Than One: Fine-tuning LLMs for Document-level Translation Refinement (2025.acl-long)

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Challenge: Recent research has shown that large language models (LLMs) can enhance translation quality through self-refinement.
Approach: They propose to extend translation refinement from sentence-level to document-level by using document-to-document (Doc2Doc) translations.
Outcome: The proposed method improves translation quality across ten translation tasks with LLaMA-3-8B-Instruct and Mistral-Nemo-Instru.
Exploring Backdoor Vulnerabilities of Chat Models (2025.coling-main)

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Challenge: Recent studies show that Large Language Models (LLMs) are susceptible to a security threat known as Backdoor Attack.
Approach: They propose a backdoor attack method that distributes trigger scenarios across user inputs in different rounds and makes the backdoor be triggered only when all trigger scenarios have appeared in the historical conversations.
Outcome: The proposed method achieves high attack success rates on chat models while maintaining normal capabilities on providing helpful responses to benign user requests.
Long Context is Not Long at All: A Prospector of Long-Dependency Data for Large Language Models (2024.acl-long)

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Challenge: Long-context modeling capabilities are important for large language models (LLMs) however, training LLMs with long context windows is insufficient since some samples do not exhibit strong semantic dependencies across long contexts.
Approach: They propose a data mining framework ProLong that assigns each training sample with a long dependency score and ranks and filters them according to their results.
Outcome: The proposed framework can rank and filter training samples that exhibit more powerful long-context modeling abilities.
Enhancing Large Language Models for Document-Level Translation Post-Editing Using Monolingual Data (2025.coling-main)

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Challenge: Large Language Models (LLMs) have excellent performance in many tasks, but they still face challenges in document translation.
Approach: They propose a method that leverages the capabilities of Large Language Models to optimize document translation using only monolingual data.
Outcome: The proposed method improves translation quality and improves contextual consistency in document translation using only monolingual data.
Learning to Generate Question by Asking Question: A Primal-Dual Approach with Uncommon Word Generation (2022.emnlp-main)

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Challenge: Existing automatic question generation methods focus on encoding passage and answer to generate question.
Approach: They propose an automatic question generation approach which integrates question generation with its dual problem, question answering, into a unified primal-dual framework.
Outcome: The proposed approach outperforms existing methods on SQuAD and HotpotQA benchmarks.
OpenCoder: The Open Cookbook for Top-Tier Code Large Language Models (2025.acl-long)

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Challenge: Code LLMs lack reproducible data pipelines and training protocols for reproducible advancements in code intelligence.
Approach: They propose a top-tier code LLM that releases model weights and inference code . reproducible data pipelines, rigorous experimental ablation results and training protocols are included .
Outcome: The proposed model achieves comparable performance to leading models and serves as an "open cookbook" reproducible training data, rigorous experimental ablation results, and detailed training protocols are also included in the model.
GRV-KBQA: A Three-Stage Framework for Knowledge Base Question Answering with Decoupled Logical Structure, Semantic Grounding and Structure-Aware Validation (2025.findings-emnlp)

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Challenge: Existing methods for Knowledge Base Question Answering generate non-executable queries and inefficiencies in query execution.
Approach: a framework that decouples logical structure generation from semantic grounding is proposed . the framework explicitly enforces KB constraints to improve alignment between generated logical forms and KB structures.
Outcome: GRV-KBQA decouples logical structure generation from semantic grounding and incorporates structure-aware validation to enhance accuracy.
MetaMixSpeech: Meta Task Augmentation for Low-Resource Speech Recognition (2025.findings-emnlp)

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Challenge: Meta-learning has proven to be a powerful paradigm for improving speech recognition performance . however, multilingual meta learning also faces challenges such as task overfitting and learner overfit .
Approach: a new method is proposed to augment meta-training tasks with "more data" the method incorporates both support and query augmentations .
Outcome: The proposed method achieves a 6.35% improvement in the word error rate on FLEURS and Common Voice datasets.
Basic Reading Distillation (2025.acl-long)

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Challenge: Large language models require high computational resources which limits their deployment in real-world applications.
Approach: They propose to distill large language models into smaller language models by either knowledge distillation or task distillation.
Outcome: The proposed model outperforms or performs comparable to over 20x bigger LLMs on language inference benchmarks and BIG-bench tasks.
Meta-Adapter for Self-Supervised Speech Models: A Solution to Low-Resource Speech Recognition Challenges (2024.lrec-main)

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Challenge: Existing self-supervised learning models can learn latent representations from large amounts of unlabeled data, but they are expensive to fine-tune.
Approach: They develop a meta-adapter to obtain meta-initialized parameters for self-supervised models . meta-Adapters show better generalization and extensibility than traditional pretraining methods .
Outcome: Experiments on common voice and FLEURS datasets show Meta-Adapter performs better on low-resource languages . authors show it can be used on 12 low-source languages, but it requires huge computational resources .
Modelling Long-distance Node Relations for KBQA with Global Dynamic Graph (2020.coling-main)

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Challenge: Existing studies rely on deep graph neural networks (GNNs) to capture rich structural information, but they lack the structural information needed for QA.
Approach: They propose a framework which captures structural information from KBs and models long-distance node relations from two perspectives.
Outcome: The proposed framework models long-distance node relations from two perspectives . it is based on two widely used multi-hop KBQA datasets .
Enhancing Explainable Rating Prediction through Annotated Macro Concepts (2024.acl-long)

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Challenge: Existing models learn user and item embeddings and generate reasons based on these embedds.
Approach: They propose a concept-based explanation framework that leverages macro concepts to bridge the gap between the user/item embeddings and the recommendation reasons.
Outcome: Extensive experiments on three datasets prove the proposed model is superior to existing models.
SciAgent: Tool-augmented Language Models for Scientific Reasoning (2024.emnlp-main)

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Challenge: SciAgent surpasses other LLMs with the comparable size by more than 8.0% in absolute accuracy.
Approach: They propose a tool-augmented scientific reasoning setting that supplements LLMs with scalable toolsets and builds a benchmark to evaluate LLM’s abilities with tool assistance.
Outcome: The proposed setting augments LLMs with scalable toolsets and shifts the focus from pursuing an omniscient problem solver to a proficient tool-user.
Combining the Best of Both Worlds: A Method for Hybrid NMT and LLM Translation (2025.findings-acl)

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Challenge: Large language models have advantages over neural machine translation systems, but they suffer from high computational costs and significant latency.
Approach: They propose a scheduling policy that optimizes translation result while ensuring fast speed and as little LLM usage as possible.
Outcome: The proposed model achieves optimal translation performance with less LLM usage on multilingual test sets.
Can Large Language Models Translate Spoken-Only Languages through International Phonetic Transcription? (2025.emnlp-main)

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Challenge: Existing research on spoken-only languages has focused on low-resource languages . spoken- only languages are among the most vulnerable to extinction .
Approach: They propose a unified language understanding framework that learns to translate spoken-only languages via in-context learning.
Outcome: The proposed framework can translate spoken-only languages into high-resource languages using phonetic transcription and automatic dictionary construction and knowledge retrieval.
MAPLE: Enhancing Review Generation with Multi-Aspect Prompt LEarning in Explainable Recommendation (2025.acl-long)

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Challenge: Existing models that generate generic aspects do not provide personalized informative recommendations.
Approach: They propose a model that integrates aspect category as another input dimension to facilitate memorizing fine-grained aspect terms.
Outcome: The proposed model outperforms baseline model on restaurant review datasets in the restaurant domain.
MM-Verify: Enhancing Multimodal Reasoning with Chain-of-Thought Verification (2025.acl-long)

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Challenge: MM-Verifier and MM Reasoner are a powerful multimodal reasoning model . large language models (LLMs) have demonstrated exceptional performance across tasks spanning myriad domains.
Approach: They propose a method which combines tree search and verification to generate high-quality chain-of-thought data.
Outcome: The proposed method outperforms all larger models on the MathCheck, MathVista, and MathVerse benchmarks.
PARSQL: Enhancing Text-to-SQL through SQL Parsing and Reasoning (2025.findings-acl)

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Challenge: Large language models have made significant strides in text-to-SQL tasks, but small language models struggle to accurately interpret natural language questions due to resource limitations.
Approach: They propose a SQL parser that extracts constraints from SQL to generate sub-SQLs . they use a rule-based and LLM-based method to generate step-by-step SQL explanations based on the results .
Outcome: The proposed framework outperforms models with the same model size on BIRD and Spider benchmarks.
LeTS: Learning to Think-and-Search via Process-and-Outcome Reward Hybridization (2025.emnlp-main)

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Challenge: Recent research focuses on integrating reasoning capabilities into the realm of retrieval-augmented generation (RAG) via outcome-supervised reinforcement learning (RL).
Approach: They propose a process-level reward module to mitigate the unawareness of intermediate reasoning steps in outcome-level supervision without additional annotation.
Outcome: The proposed framework can boost LLMs’ reasoning ability by integrating external knowledge sources through retrieval-augmented generation (RAG) The proposed model can mitigate the unawareness of intermediate reasoning steps in outcome-level supervision without additional annotation.
Self-supervised Rewiring of Pre-trained Speech Encoders: Towards Faster Fine-tuning with Less Labels in Speech Processing (2022.findings-emnlp)

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Challenge: Pre-trained speech encoders have facilitated great success across various speech processing tasks, but fine-tuning them for downstream tasks requires large training data to converge or to achieve state-of-the-art.
Approach: They propose to rewire pre-trained speech encoders to improve their representation space without task-specific labels by neutrally synthesising audio inputs and frame masking.
Outcome: The proposed model shows consistent improvement in isotropy in the representation space on 6 speech processing tasks.
Evaluation Dataset for Lexical Translation Consistency in Chinese-to-English Document-level Translation (2024.lrec-main)

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Challenge: Existing studies on document-level neural machine translation (NMT) assume that all repeated source words should be translated consistently.
Approach: They construct a test set of 310 bilingual news articles to evaluate lexical translation consistency.
Outcome: The proposed test sets show that translation consistency is consistent across multiple languages.
MTRouter: Cost-Aware Multi-Turn LLM Routing with History–Model Joint Embeddings (2026.acl-long)

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Challenge: Multi-turn, long-horizon tasks require dozens of sequential model calls per episode.
Approach: They propose a cost-aware multi-turn LLM routing tool which encodes interaction history and candidate models into joint history–model embeddings and learns an outcome estimator from logged trajectories to predict turn-level model utility.
Outcome: The proposed model reduces cost and performance by 58.7% on ScienceWorld and on Humanity’s Last Exam (HLE) and even reduces costs for held-out tasks.
Improving Text Generation with Student-Forcing Optimal Transport (2020.emnlp-main)

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Challenge: Maximum likelihood estimation (MLE) is used to train models, but during testing, the model is conditioned on previously generated tokens, resulting in exposure bias.
Approach: They propose to use optimal transport to match the sequences generated in MLE and test modes to reduce exposure bias.
Outcome: The proposed method is validated on machine translation, text summarization, and text generation tasks.
Audio Is the Achilles’ Heel: Red Teaming Audio Large Multimodal Models (2025.naacl-long)

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Challenge: Large Language Models (LMMs) have demonstrated ability to interact with humans through text . however, safety of audio LMMs remains under-explored .
Approach: They red team the safety of five audio LMMs under three settings . they find that audio Lmms suffer an average attack success rate of 69.14% on harmful questions .
Outcome: a new study shows that audio LMMs suffer an average success rate on harmful questions . the authors also show that the models exhibit safety vulnerabilities when distracted .
Arg-LLaDA: Argument Summarization via Large Language Diffusion Models and Sufficiency-Aware Refinement (2026.acl-long)

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Challenge: Existing approaches to argument summarization rely on single-pass generation, offering limited support for factual correction or structural refinement.
Approach: They propose a large language diffusion framework that iteratively improves argument summarization by sufficiency-guided remasking and regeneration.
Outcome: Empirical results show that Arg-LLaDA surpasses state-of-the-art baselines in 7 out of 10 evaluation metrics.
Bayes-enhanced Lifelong Attention Networks for Sentiment Classification (2020.coling-main)

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Challenge: Existing deep learning paradigms focus on learning a model from training data of a single task and the learned model is also tested on the same task.
Approach: They propose a Bayes-enhanced lifelong attention network to learn attention knowledge from a sequence of sentiment classification tasks and build lifelong ones.
Outcome: The proposed model is able to learn attention knowledge from a set of sentiment classification tasks and build lifelong attentions.
EgoNormia: Benchmarking Physical-Social Norm Understanding (2025.findings-acl)

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Challenge: Existing VLMs lack robust grounded norm understanding, a new study finds . current VLM models lack robust grounding, despite a high score for safety and privacy .
Approach: They propose a pipeline to generate grounded MCQs from ego-centric videos of human interactions.
Outcome: The proposed pipeline can generate grounded MCQs from egocentric video . it shows that current VLMs lack robust grounded norm understanding .
InterIDEAS: Philosophical Intertextuality via LLMs (2025.emnlp-main)

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Challenge: a new dataset aims to bridge philosophy, literary studies, and natural language processing (NLP) by integrating theories of intertextuality with bibliometric techniques.
Approach: They propose a dataset that bridges philosophy, literary studies, and natural language processing (NLP) it combines theories of intertextuality from literary studies with bibliometric techniques and recent LLMs .
Outcome: a new dataset bridges philosophy, literary studies, and natural language processing (NLP) to analyze intertextuality . the proposed method helps scholars understand the intellectual, social, and historical relations embedded in texts . it also contributes to the development of language models, authors say .
Unveil: Unified Visual-Textual Integration and Distillation for Multi-modal Document Retrieval (2025.acl-long)

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Challenge: Document retrieval in real-world scenarios faces significant challenges due to diverse document formats and modalities.
Approach: They propose a visual-textual embedding framework that integrates textual and visual features for robust document representation.
Outcome: The proposed visual-textual embedding framework surpasses existing methods while preserving semantic fidelity.
DataArc-SynData-Toolkit: A Unified Closed-Loop Framework for Multi-Path, Multimodal, and Multilingual Data Synthesis (2026.acl-demo)

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Challenge: Existing synthetic data tools are limited by convoluted workflows, fragmented data standards, and limited scalability across modalities.
Approach: They develop an open-source framework that aims to reduce the technical barrier to synthetic data generation and subsequent model training.
Outcome: The proposed framework achieves an optimal balance between generation efficiency and data quality.
Allies: Prompting Large Language Model with Beam Search (2023.findings-emnlp)

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Challenge: Existing methods to build LLMs with stacking are limited by their information coverage and low fault tolerance.
Approach: They propose a method that leverages large language models to iteratively generate new queries from an input query.
Outcome: The proposed method outperforms baselines on open-domain question answering benchmarks.
CompKBQA: Component-wise Task Decomposition for Knowledge Base Question Answering (2025.emnlp-main)

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Challenge: Existing knowledge base question answering methods struggle with complex queries.
Approach: They propose a framework that optimizes the process of fine-tuning a LLM for generating logical forms by enabling it to learn relevant sub-tasks like skeleton generation, topic entity generation, and relevant relations generation.
Outcome: The proposed framework achieves state-of-the-art on two benchmark KBQA datasets, WebQSP and CWQ.
How Chain-of-Thought Works? Tracing Information Flow from Decoding, Projection, and Activation (2026.findings-acl)

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Challenge: Chain-of-Thought (CoT) prompting significantly enhances model reasoning, yet its internal mechanisms remain poorly understood.
Approach: They reversely traced information flow across decoding, projection, and activation phases and found that CoT may serve as a decoding space pruner .
Outcome: The proposed framework can be used to design more efficient and robust prompts.
Alleviating Distribution Shift in Synthetic Data for Machine Translation Quality Estimation (2025.acl-long)

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Challenge: Quality Estimation (QE) models evaluate the quality of machine translations without reference translations, serving as the reward models for the translation task.
Approach: They propose a framework for alleviating distribution shift in synthetic QE data . they employ a constrained beam search algorithm and distinct generation models to enhance translation diversity.
Outcome: The proposed framework outperforms SOTA baselines like CometKiwi in supervised and unsupervised settings.
Multimodal Machine Translation with Text-Image In-depth Questioning (2025.findings-acl)

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Challenge: Multimodal machine translation (MMT) models focus on intermodal interactions, but focus on simple interactions between nouns and entities in image, overlooking global semantic alignment.
Approach: They propose a Text-Image In-depth Questioning method to deepen interactions and optimize translations by utilizing visual data to capture global semantic alignment.
Outcome: The proposed method achieves state-of-the-art results on five translation directions of Multi30K and AmbigCaps, with +2.35 BLEU on the challenging MSCOCO benchmark.

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