Papers by Xin Jiang

139 papers
Visually Guided Generative Text-Layout Pre-training for Document Intelligence (2024.naacl-long)

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Challenge: Prior work shows that pre-training techniques can boost the performance of visual document understanding (VDU) . Xu et al., 2020;; Gu e t al, 2021;; Appalaraju e al. 2022)
Approach: They propose a visually guided generative text-layout pre-training method that optimizes hierarchical language and layout modeling objectives to generate interleaved text and layout sequences.
Outcome: The proposed model can process word-intensive documents of any length and achieves competitive performance over baselines on VDU tasks.
SILO-BENCH: A Scalable Environment for Evaluating Distributed Coordination in Multi-Agent LLM Systems (2026.acl-long)

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Challenge: Existing benchmarks conflate coordination ability with role-based priors.
Approach: They propose a role-free benchmark for evaluating free-form collaboration under information silos.
Outcome: The proposed benchmark systematically probes coordination capabilities under information silos using 54 configurations and 3 frontier LLMs.
CLEME2.0: Towards Interpretable Evaluation by Disentangling Edits for Grammatical Error Correction (2025.acl-long)

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Challenge: Existing studies have focused on the interpretability of Grammatical Error Correction (GEC) evaluation metrics, but the interpretabilty of these metrics has been neglected.
Approach: They propose a reference-based metric that describes four aspects of GEC systems: hit-correction, wrong-corrections, under-correcties, and over-corrects.
Outcome: The proposed metric reveals critical qualities and locates drawbacks of GEC systems.
ScaleBox: Enabling High-Fidelity and Scalable Code Verification for Large Language Models (2026.acl-demo)

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Challenge: Existing code sandboxes fail to provide accurate verification and efficiency under high-concurrency workloads.
Approach: They propose a high-fidelity code verification system that provides sandbox feedback for RL training and evaluation.
Outcome: The proposed system outperforms heuristic-matching baselines on LiveCodeBench and training stability on high-concurrency workloads.
Improving Factual Consistency for Knowledge-Grounded Dialogue Systems via Knowledge Enhancement and Alignment (2023.findings-emnlp)

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Challenge: Experimental results show that pretrained language models generate inconsistent factual knowledge in many conversational tasks.
Approach: They propose a method which explicitly introduces extended feedforward networks (FFNs) in Transformers to enhance factual knowledge expressions given the specific patterns of knowledge-grounded dialogue inputs.
Outcome: The proposed methods improve the factual expression capability of feedforward networks (FFNs) in knowledge-grounded dialogue systems by knowledge enhancement and alignment respectively.
ReFSQL: A Retrieval-Augmentation Framework for Text-to-SQL Generation (2023.findings-emnlp)

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Challenge: Existing methods that align natural language with SQL Language underestimate inherent structural characteristics of SQL and lead to structure errors.
Approach: They propose a retrieval-argument framework that aligns natural language with SQL Language and trains one encoder-decoder-based model to fit all questions.
Outcome: The proposed framework improves accuracy and robustness of text-to-SQL generation on five datasets.
Decomposable Neural Paraphrase Generation (P19-1)

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Challenge: Existing models learn to generate paraphrases by mapping a sequence to another, with each word processed and generated in a uniform way.
Approach: They propose a Transformer-based model that can learn and generate paraphrases at different levels of granularity in a disentangled way.
Outcome: The proposed model achieves competitive in-domain performance compared to state-of-the-art models and significantly better performance when adapting to a new domain.
DialogQAE: N-to-N Question Answer Pair Extraction from Customer Service Chatlog (2023.findings-emnlp)

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Challenge: Existing work on question-answer extraction fails to integrate incomplete utterances from dialog context for composite QA retrieval.
Approach: They propose a task where questions and corresponding answers might be separated across different utterances.
Outcome: The proposed methods perform well on 5 customer service datasets and set a benchmark for N-to-N DialogQAE with utterance and session level evaluation metrics.
Exploring Diverse Expressions for Paraphrase Generation (D19-1)

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Challenge: Existing neural paraphrase generation methods focus on single paraphrases while ignoring the fact that diversity is essential for enhancing generalization capability and robustness of downstream applications.
Approach: They propose a novel approach with two discriminators and multiple generators to generate a variety of different paraphrases.
Outcome: The proposed model gains significant diversity and improves quality over state-of-the-art datasets.
Multi-hop Graph Convolutional Network with High-order Chebyshev Approximation for Text Reasoning (2021.acl-long)

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Challenge: Existing single-hop graph reasoning in Graph convolutional networks may miss some important non-consecutive dependencies.
Approach: They propose a graph convolutional network with the high-order dynamic Chebyshev approximation which augments multi-hop graph reasoning by fusing messages aggregated from direct and long-term dependencies into one convolutionalist layer.
Outcome: The proposed model improves on four transductive and inductive NLP tasks and the ablation of the existing model.
IM^2: an Interpretable and Multi-category Integrated Metric Framework for Automatic Dialogue Evaluation (2022.emnlp-main)

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Challenge: Evaluation metrics for dialogue systems are expensive and time-consuming . current evaluation metrics focus on a single quality or several qualities .
Approach: They propose an interpretable, multi-faceted, and controllable framework to combine dialogue metrics which are good at measuring different qualities.
Outcome: The proposed framework integrates a large number of evaluation metrics to improve the performance of the model.
MentalSeek-Dx: Towards Progressive Hypothetico-Deductive Reasoning for Real-world Psychiatric Diagnosis (2026.acl-long)

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Challenge: Mental health disorders represent a burgeoning global public health challenge . lack of ecological validity and fine-grained diagnostic supervision limits their utility .
Approach: They propose a medical-specialized LLM trained to internalize clinical reasoning process through supervised trajectory construction and curriculum-based reinforcement learning.
Outcome: The proposed model achieves state-of-the-art with only 14B parameters, establishing a clinically grounded framework for reliable psychiatric diagnosis.
LMTurk: Few-Shot Learners as Crowdsourcing Workers in a Language-Model-as-a-Service Framework (2022.findings-naacl)

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Challenge: Recent work shows that large-scale pretrained language models (PLMs) are effective few-shot learners.
Approach: They propose a method that treats few-shotlearners as crowdsourcing workers . they propose to use these workers to train models that solve a task well .
Outcome: The proposed approach treats few-shotlearners as crowdsourcing workers . the resulting annotations can be utilized to train models that solve the task well .
GMH: A General Multi-hop Reasoning Model for KG Completion (2021.emnlp-main)

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Challenge: Knowledge graphs are incomplete with many facts missing, causing performance bottlenecks in many applications.
Approach: They propose a general multi-hop reasoning task that can be formulated as a search process and can be extended to long-distance reasoning scenarios.
Outcome: The proposed model improves on baselines in short and long distance reasoning scenarios.
How Pre-trained Language Models Capture Factual Knowledge? A Causal-Inspired Analysis (2022.findings-acl)

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Challenge: Recent studies show that pre-trained language models can fill in the missing factual words in cloze-style prompts such as ”Dante was born in [MASK]” .
Approach: They propose to quantitatively measure and evaluate the word-level patterns that PLMs depend on to generate the missing factual words.
Outcome: The proposed model fills in the missing factual words in cloze-style prompts by relying on effective clues or shortcut patterns.
G-MAP: General Memory-Augmented Pre-trained Language Model for Domain Tasks (2022.emnlp-main)

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Challenge: Existing domain-adaptive pre-training (DAPT) models tend to forget the general knowledge acquired by general PLMs, leading to catastrophic forgetting and sub-optimal performance.
Approach: They propose a framework which augments the domain-specific PLM by a memory built from the frozen general PLM without losing the general knowledge.
Outcome: The proposed framework augments the domain-specific PLM by a memory built from the frozen general PLM without losing the general knowledge.
mCLIP: Multilingual CLIP via Cross-lingual Transfer (2023.acl-long)

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Challenge: Existing multilingual vision-language pretrained models are biased towards English due to the lack of sufficient non-English image-text pairs.
Approach: They propose to train a retrieval-efficient dual-stream multilingual VLP model by aligning CLIP model and a multilingual text encoder through a novel Triangle Cross-modal Knowledge Distillation method.
Outcome: Empirical results show that mCLIP achieves new state-of-the-art performance for both zero-shot and finetuned multilingual image-text retrieval tasks.
Hypoformer: Hybrid Decomposition Transformer for Edge-friendly Neural Machine Translation (2022.emnlp-main)

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Challenge: Existing methods to compress Transformer are limited to sub-components, e.g., selfattention networks or embedding layer.
Approach: They propose a Hybrid Tensor-Train decomposition which retains full rank and meanwhile reduces operations and parameters.
Outcome: The proposed model outperforms light-weight SOTA methods on three translation tasks and achieves 7.1 points absolute improvement in BLEU and 1.27 X speedup on IWSLT’14 De-En task.
CLICKER: Cross-Lingual Knowledge Editing via In-Context Learning with Adaptive Stepwise Reasoning (2026.findings-eacl)

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Challenge: Existing knowledge editing methods are static and fail to propagate edits across languages.
Approach: They propose a KE method that dynamically retrieves only knowledge relevant to a given query and edits it to maintain cross-lingual consistency.
Outcome: The proposed method outperforms static KE methods on a multilingual dataset with semantically similar but irrelevant prompts.
Subtle Errors in Reasoning: Preference Learning via Error-injected Self-editing (2025.acl-long)

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Challenge: Existing studies to improve mathematical ability typically involve applying preference learning to step-wise solution pairs, but they overlook critical subtle errors.
Approach: They propose a preference learning framework that injects predefined subtle errors into pivotal tokens to construct hard pairs for error mitigation.
Outcome: Extensive experiments show that the proposed framework improves on Qwen2-7B-Instruct and MATH with 4.5K training samples.
Generative Text-to-Image Retrieval via Hierarchical Identifiers and Semantic Internalization (2026.findings-acl)

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Challenge: Existing text-to-image retrieval methods suffer from limited semantic discriminability, alignment bias, and closed-set restrictions.
Approach: They propose a framework for semantic internalization for Generative Multimodal Alignment . they construct multi-granularity hierarchical identifiers to ensure unique, semantically consistent image representations .
Outcome: The proposed framework outperforms state-of-the-art frameworks on Flickr30K and MS-COCO datasets . it achieves average Recall@1, Recall @5, and Recall_10 improvements of 10.65%, 8.50%, and 7.00% .
MINER: Multi-Interest Matching Network for News Recommendation (2022.findings-acl)

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Challenge: Existing methods learn a single user embedding from user’s historical behaviors to represent the reading interest.
Approach: They propose a poly attention scheme to learn multiple interest vectors for each user, which encodes the different aspects of user interest.
Outcome: The proposed approach significantly outperforms existing state-of-the-art methods on the MIND news recommendation benchmark.
CipherBank: Exploring the Boundary of LLM Reasoning Capabilities through Cryptography Challenge (2025.findings-acl)

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Challenge: Large language models (LLMs) have demonstrated remarkable capabilities, but their capabilities in cryptographic decryption tasks remain underexplored.
Approach: They propose a benchmark to evaluate the reasoning capabilities of large language models in cryptographic decryption tasks.
Outcome: The proposed benchmark examines the reasoning capabilities of large language models in cryptographic decryption tasks.
LiteVL: Efficient Video-Language Learning with Enhanced Spatial-Temporal Modeling (2022.emnlp-main)

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Challenge: Recent large-scale video-language pre-trained models have shown appealing performance on downstream tasks.
Approach: They propose a video-text model that adapts a pre-trained image-language model into a text-based model without heavy pre-training.
Outcome: The proposed model outperforms existing models on video-text retrieval and video question answering tasks without heavy pre-training.
RAG-Star: Enhancing Deliberative Reasoning with Retrieval Augmented Verification and Refinement (2025.naacl-long)

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Challenge: Existing large language models (LLMs) show exceptional problem-solving capabilities but struggle with complex reasoning tasks.
Approach: They propose a novel RAG approach that integrates retrieved information to guide tree-based reasoning process based on LLMs.
Outcome: The proposed approach outperforms existing methods in large language models . iteratively plans intermediate sub-queries and answers based on the LLM itself .
Chain of Ideas: Revolutionizing Research Via Novel Idea Development with LLM Agents (2025.findings-emnlp)

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Challenge: Existing methods for idea generation either trivially prompt LLMs or expose LLM to extensive literature without indicating useful information.
Approach: They propose a chain-of-ideas agent that organizes literature in a chains structure . they propose evaluating idea-generation methods from different perspectives .
Outcome: The proposed agent outperforms existing methods and matches human quality in idea generation.
CKnowEdit: A New Chinese Knowledge Editing Dataset for Linguistics, Facts, and Logic Error Correction in LLMs (2025.acl-long)

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Challenge: CKnowEdit is the first-ever knowledge editing dataset designed to correct linguistic, factual, and logical errors in Large Language Models.
Approach: They propose a Chinese knowledge editing dataset to correct linguistic, factual, and logical errors in Large Language Models.
Outcome: The proposed dataset highlights the challenges that LLMs face in mastering Chinese . CKnowEdit can correct linguistic, factual, and logical errors in Chinese, the authors show .
Hephaestus: Improving Fundamental Agent Capabilities of Large Language Models through Continual Pre-Training (2025.naacl-long)

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Challenge: Existing LLMs often rely on complex prompting or extensive fine-tuning to introduce new capabilities while preserving strong generalizability.
Approach: They propose a large-scale pre-training corpus to enhance LLM agents' capabilities . they use 103B agent-specific data encompassing 76,537 APIs .
Outcome: The proposed training corpus outperforms open-source LLMs and commercial LLM agents on three agent benchmarks.
ClusterFormer: Neural Clustering Attention for Efficient and Effective Transformer (2022.acl-long)

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Challenge: Existing sparse attention methods use fixed patterns to select words without considering similarities between words.
Approach: They propose a neural clustering method which integrates into the Self-Attention Mechanism in Transformer and integrates it into the target task.
Outcome: The proposed method outperforms two typical sparse attention methods on translation, text classification, and text matching tasks while having a comparable or even better time and memory efficiency.
Modeling Temporal-Modal Entity Graph for Procedural Multimodal Machine Comprehension (2022.acl-long)

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Challenge: Procedural Multimodal Documents organize textual instructions and corresponding images step by step.
Approach: They propose a novel temporal-modal entity Graph for comprehending PMDs . they propose encoding and reasoning modules to capture textual and visual entities .
Outcome: The proposed model can capture textual and visual entities and trace their temporal-modal evolution.
MTRec: Multi-Task Learning over BERT for News Recommendation (2022.findings-acl)

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Challenge: Existing news recommendation methods learn news representations solely based on news titles. Existing methods only utilize title information and neglect other valuable news information such as categories and entities.
Approach: They propose a multi-task method to incorporate multi-field information into BERT, which improves its news encoding capability.
Outcome: Extensive experiments on the MIND news recommendation benchmark show the proposed method is effective.
Muffin or Chihuahua? Challenging Multimodal Large Language Models with Multipanel VQA (2024.acl-long)

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Challenge: Multipanel images are a common form of visual representations, and humans can achieve approximately 99% accuracy on these questions.
Approach: They propose a benchmark that tests multipanel visual reasoning models with 6,600 triplets of questions, answers, and multipanel images.
Outcome: The proposed benchmark features 6,600 triplets of questions, answers, and multipanel images that challenge state-of-the-art Multimodal Large Language Models (MLLMs) human users can attain approximately 99% accuracy on these questions, compared with previous benchmarks.
ManuSearch: Democratizing Deep Search in Large Language Models with a Transparent and Open Multi-Agent Framework (2025.findings-emnlp)

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Challenge: Existing systems with opaque architectures are limiting deep search capabilities for web-augmented large language models.
Approach: They propose a transparent and modular multi-agent framework to democratize deep search for LLMs.
Outcome: The proposed framework outperforms open-source systems in deep reasoning tasks.
AnyGPT: Unified Multimodal LLM with Discrete Sequence Modeling (2024.acl-long)

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Challenge: Existing language models that use discrete representations for unified processing of various modalities are limited to text generation and do not include multimodal output.
Approach: They propose a multimodal language model that utilizes discrete representations for unified processing of various modalities.
Outcome: The proposed model can be trained stably without any alterations to existing models or training paradigms.
KACC: A Multi-task Benchmark for Knowledge Abstraction, Concretization and Completion (2021.findings-acl)

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Challenge: Existing studies focus on partial aspects of knowledge abstraction, concretization, and completion (KACC).
Approach: They propose a unified knowledge graph benchmark to improve existing benchmarks . they collect new datasets that contain larger concept graphs and cross-view links .
Outcome: The proposed benchmark improves existing benchmarks in terms of dataset scale, task coverage, and difficulty.
StructGPT: A General Framework for Large Language Model to Reason over Structured Data (2023.emnlp-main)

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Challenge: Experiments conducted on three types of structured data show that StructGPT greatly improves the performance of LLMs.
Approach: They propose an iterative Reading-then-Reasoning framework to solve question answering tasks based on structured data.
Outcome: The proposed framework improves the reasoning ability of large language models over structured data under the few-shot and zero-shot settings.
Structured Pruning for Efficient Generative Pre-trained Language Models (2023.findings-acl)

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Challenge: Large-scale generative Pre-trained Language Models (PLMs) are limited in their deployment in real-world applications.
Approach: They propose to prune the feed-forward networks of generative pre-trained language models to smaller widths without designing extra operators.
Outcome: The proposed method achieves 1.51x/6.96x inference speedup on GPU/CPU with 67% size reduction.
A Table-to-Text Framework with Heterogeneous Multidominance Attention and Self-Evaluated Multi-Pass Deliberation (2023.findings-emnlp)

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Challenge: Table-to-text works have been widely applied in different domains, such as weather forecast and financial report generation.
Approach: They propose a table-to-text approach on top of Self-evaluated multi-pass Generation and Heterogenous Multidominance Attention to explore the hierarchical structure.
Outcome: The proposed method outperforms several SOTA methods quantitatively and qualitatively on three public datasets.
Compression of Generative Pre-trained Language Models via Quantization (2022.acl-long)

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Challenge: Existing methods to compress generative pre-trained language models fail on generative tasks due to homogeneous word embeddings and limited memory.
Approach: They propose a token-level contrastive distillation method to learn distinguishable word embeddings and a module-wise dynamic scaling method to make quantizers adaptive to different modules.
Outcome: The proposed method outperforms the state-of-the-art compression methods on generative PLMs by a clear margin.
IHEval: Evaluating Language Models on Following the Instruction Hierarchy (2025.naacl-long)

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Challenge: Instruction-tuned language models (LMs) are increasingly deployed as interactive services across various applications.
Approach: They propose a benchmark to evaluate models' ability to follow the instruction hierarchy by comparing their models to a set of benchmarks.
Outcome: The proposed benchmark covers 3,538 examples across nine tasks covering cases where instructions in different priorities either align or conflict.
KG-Agent: An Efficient Autonomous Agent Framework for Complex Reasoning over Knowledge Graph (2025.acl-long)

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Challenge: Existing methods to design the interaction strategy between large language models and knowledge graphs (KGs) are not effective for large language model (LLM)s to solve complex tasks due to the large volume and structured format of KG data.
Approach: They propose an LLM-based agent framework that enables small LLMs to actively make decisions over knowledge graphs.
Outcome: The proposed framework outperforms existing methods on in-domain and out-domain datasets using 10K samples.
UniConv: Unifying Retrieval and Response Generation for Large Language Models in Conversations (2025.acl-long)

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Challenge: Existing conversational search systems are usually built with two different models . this separation restricts the system from leveraging the model's intrinsic knowledge simultaneously . Existing studies for developing unified models cannot fully address the aspects of understanding conversational context, managing retrieval independently, and generating responses.
Approach: They propose to unify dense retrieval and response generation for large language models in conversation by fine-tuning and mitigating data discrepancy.
Outcome: The proposed model can outperform existing models on five conversational search datasets and reduce inconsistency risks while mitigating data discrepancy.
AgentGym: Evaluating and Training Large Language Model-based Agents across Diverse Environments (2025.acl-long)

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Challenge: Large language models (LLMs) are promising foundations to build generally-capable agents . however, the community lacks a unified interactive framework that covers diverse environments for comprehensive evaluation of agents.
Approach: They propose a framework that features 7 real-world scenarios, 14 environments, and 89 tasks for unified, real-time, and concurrent agent interaction.
Outcome: The proposed framework features 7 real-world scenarios, 14 environments, and 89 tasks for unified, real-time, and concurrent agent interaction.
ComCLIP: Training-Free Compositional Image and Text Matching (2024.naacl-long)

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Challenge: erroneous semantics of individual entities are essentially confounders that cause the matching failure.
Approach: They propose a training-free compositional CLIP model which disentangles input images into subjects, objects, and action subimages and composes CLIP’s vision encoder and text encoder to perform evolving matching over compositional text embedding and subimage embeddments.
Outcome: The proposed model mitigates spurious correlations introduced by the pretrained CLIP models and dynamically evaluates the importance of each component.
GhostBERT: Generate More Features with Cheap Operations for BERT (2021.acl-long)

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Challenge: Existing studies show that some parameters in pre-trained language models can be pruned away without severe accuracy degradation.
Approach: They propose a method which generates more features with very cheap operations from the remaining features and can be applied to unpruned BERT models to enhance their performance.
Outcome: Empirical results on the GLUE benchmark on three backbone models (i.e., BERT, RoBERTa and ELECTRA) verify the efficacy of the proposed method.
Enhancing Cross-lingual Prompting with Dual Prompt Augmentation (2023.findings-acl)

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Challenge: a recent study shows that prompting is superior for multilingual/cross-lingual problems . despite its effectiveness on English tasks, its potential for cross-lingual problem is under-explored .
Approach: They propose a framework for prompting that can be used to augment cross-lingual prompts.
Outcome: The proposed framework achieves 46.54% with only 16 English training examples per class, significantly better than fine-tuning.
Domain-Specific NER via Retrieving Correlated Samples (2022.coling-1)

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Challenge: Successful Named Entity Recognition models fail on texts from some special domains, for example, Chinese addresses and e-commerce titles.
Approach: They propose to enhance NER models with correlated samples to help the text understanding . they draw correlated texts by the sparse BM25 retriever from large-scale in-domain unlabeled data .
Outcome: Empirical results show that NER models can be enhanced with correlated samples . the proposed model can be used to reason out the correct answer on hard cases .
Are We Using the Right Benchmark: An Evaluation Framework for Visual Token Compression Methods (2026.acl-long)

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Challenge: Recent efforts to accelerate inference in Multimodal Large Language Models have focused on visual token compression.
Approach: They propose a framework that leverages downsampling as a discriminator to denoise existing benchmarks.
Outcome: The proposed evaluation framework leverages downsampling as a discriminator to denoise existing benchmarks.
AutoConv: Automatically Generating Information-seeking Conversations with Large Language Models (2023.acl-short)

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Challenge: Existing research on information-seeking conversations is stymied by the lack of training data.
Approach: They propose to use autoconv for synthetic conversation generation to capture the characteristics of the information-seeking process and fine tune an LLM with a few human conversations to generate synthetic conversations with high quality.
Outcome: The proposed model improves on two commonly-used datasets and alleviates the dependence on human annotation.
Can Language Models Follow Multiple Turns of Entangled Instructions? (2025.findings-emnlp)

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Challenge: Despite of significant achievements in improving instruction-following capabilities of large language models, the ability to process multiple potentially entangled or conflicting instructions remains a considerable challenge.
Approach: They construct multi-turn instruction with 1.1K high-quality multi-turned conversations using the human-in-the-loop approach and examine their capabilities.
Outcome: The proposed model shows that it is difficult to integrate multiple turns and balance competing objectives when instructions intersect or conflict.
One Cannot Stand for Everyone! Leveraging Multiple User Simulators to train Task-oriented Dialogue Systems (2023.acl-long)

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Challenge: Recent studies have found that Task-oriented Dialogue systems can be more suitable for human users.
Approach: They propose a framework to optimize ToD systems by leveraging Multiple User SimulaTors.
Outcome: The proposed framework improves performance on multiWOZ with human evaluations and automatic evaluations.
Controlled Text Generation Using Dictionary Prior in Variational Autoencoders (2022.findings-acl)

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Challenge: Variational autoencoders (VAEs) have been widely applied in text generation tasks, but they suffer from insufficient representation capacity and poor controllability.
Approach: They propose a data-driven prior that has expressivity and controllability.
Outcome: The proposed prior enjoys expressivity and controllability and can be used in language modeling and controlled text generation.
Operator Selection and Ordering in a Pipeline Approach to Efficiency Optimizations for Transformers (2023.findings-acl)

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Challenge: Natural language processing tasks rely on complex neural models . transformer-based models are typically slow to execute, making it a non-trivial challenge to apply them in real-world applications.
Approach: They propose to consider an efficiency method as an operator applied on a model . they find that the commutativity and cumulativeness of efficiency operators are plausible .
Outcome: The proposed method is commutative and cumulative, and the results are estimated by combining methods.
BERT-MK: Integrating Graph Contextualized Knowledge into Pre-trained Language Models (2020.findings-emnlp)

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Challenge: Existing knowledge representation learning methods do not use graph contextualized knowledge.
Approach: They propose to model subgraphs in a medical KG and integrate it with a pre-trained language model to do knowledge generalization.
Outcome: The proposed model achieves state-of-the-art on several medical NLP tasks . it improves on MedERNIE, and the proposed model is effective .
FreeTransfer-X: Safe and Label-Free Cross-Lingual Transfer from Off-the-Shelf Models (2022.findings-naacl)

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Challenge: Existing work on cross-lingual transfer has not studied how to leverage knowledge of rich-resource languages without labels.
Approach: They propose a 2-step knowledge distillation framework to achieve knowledge transfer from off-the-shelf models in rich-resource languages.
Outcome: The proposed method reduces annotation cost and protects private labels.
Great~Truths~are ~Always ~Simple: A Rather Simple Knowledge Encoder for Enhancing the Commonsense Reasoning Capacity of Pre-Trained Models (2022.findings-naacl)

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Challenge: Existing approaches to enhance pre-trained language models (PTMs) with a knowledge-aware graph neural network (GNN) encoder that models a commonsense knowledge graph (CSKG) can't explain how external knowledge resources improve the reasoning capacity of PTMs.
Approach: They propose to use relation features from CSKGs to enhance the reasoning capacity of pre-trained language models (PTMs) by encoding a commonsense knowledge graph (CSKG)
Outcome: The proposed approach reduces the parameters for encoding CSKGs and improves on five benchmarks.
DyLex: Incorporating Dynamic Lexicons into BERT for Sequence Labeling (2021.emnlp-main)

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Challenge: Existing approaches to integrate lexical knowledge into deep learning models are limited by large-scale dynamic lexicons.
Approach: They propose a plug-in lexicon incorporation approach for BERT based sequence labeling tasks . they adopt word-agnostic tag embeddings to avoid re-training the representation .
Outcome: The proposed framework achieves new SOTA even with large scale lexicons, the authors show . they adopt word-agnostic tag embeddings to avoid re-training the representation .
Read before Generate! Faithful Long Form Question Answering with Machine Reading (2022.findings-acl)

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Challenge: Long-form question answering (LFQA) generates a paragraph-length answer for a given question.
Approach: They propose a framework that jointly models answer generation and machine reading.
Outcome: The proposed model generates a more factually accurate answer from millions of documents retrieved from a large dataset.
Aerial Vision-and-Dialog Navigation (2023.findings-acl)

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Challenge: Aerial visionand-dialling navigation (AVDN) is a new approach to autonomous drones that can converse with humans and follow natural language commands to complete tasks.
Approach: They propose to use Aerial Visionand-Dialog Navigation (AVDN) to navigate a drone via natural language conversation by collecting a dataset of over 3k recorded navigation trajectories with asynchronous human-human dialogs between commanders and followers.
Outcome: The proposed system can converse with humans and follow natural language commands to fly to the expected destination.
HyperText: Endowing FastText with Hyperbolic Geometry (2020.findings-emnlp)

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Challenge: Empirically, we show that HyperText outperforms FastText on a range of text classification tasks with much reduced parameters.
Approach: They propose a model that uses hyperbolic geometry to model tree-like hierarchies in natural language sentences by embedding words or ngrams in hyperbolical space.
Outcome: Empirically, the proposed model outperforms FastText on a range of text classification tasks with much reduced parameters.
Accurate Word Alignment Induction from Neural Machine Translation (2020.emnlp-main)

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Challenge: Prior work suggests that Transformer captures poor word alignments through its attention mechanism.
Approach: They propose two new word alignment induction methods that use attention weights to capture accurate word alignments.
Outcome: The proposed methods outperform baselines on three publicly available datasets and are significantly better than GIZA++.
Wukong-Reader: Multi-modal Pre-training for Fine-grained Visual Document Understanding (2023.acl-long)

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Challenge: Existing solutions for visual document understanding lack granularity of document textlines.
Approach: They propose a supervised pre-training program to leverage structural knowledge nested in document textlines to achieve fine-grained alignment between visual regions and texts.
Outcome: The proposed system performs better on various VDU tasks in English and Chinese.
SeCuRepair: Semantics-Aligned, Curriculum-Driven, and Reasoning-Enhanced Vulnerability Repair Framework (2026.acl-long)

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Challenge: Existing methods for automating vulnerability repair suffer from syntactic overfitting . nvd published 49,230 Common Vulnerabilities and Exposures (CVE) records in 2025 alone .
Approach: They propose a semantic-aware reward framework that optimizes for code semantic equivalence rather than lexical mimicry.
Outcome: The proposed framework outperforms state-of-the-art frameworks on repository-level splits . it incorporates expert-aligned reasoning mechanism that grounds patch generation in structured diagnosis.
BinaryBERT: Pushing the Limit of BERT Quantization (2021.acl-long)

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Challenge: Recent pre-trained language models have achieved remarkable performance improvement in various tasks, but the improvement generally comes at the cost of increasing model size and computation.
Approach: They propose a binary quantization technique which initializes binaryBERT by splitting from a ternary network.
Outcome: The proposed model achieves state-of-the-art performance on the GLUE and SQUAD benchmarks while being 24x smaller.
Exploring Discourse Structures for Argument Impact Classification (2021.acl-long)

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Challenge: Existing studies have shown that discourse structures influence the persuasiveness of arguments.
Approach: They propose to fuse sentence-level structural discourse information with contextualized features derived from large-scale language models to investigate how discourse relations influence argument impact.
Outcome: The proposed model improves its backbone RoBERTa around 1.67%, compared with other models, but side effects are brought by other models.
Exploring Response Uncertainty in MLLMs: An Empirical Evaluation under Misleading Scenarios (2025.emnlp-main)

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Challenge: Existing studies have focused mainly on visual–textual misalignment, leaving largely unexplored the MLLMs’ ability to preserve an original correct answer when confronted with misleading information.
Approach: They propose a two-stage evaluation pipeline to quantify the response uncertainty phenomenon by eliciting each model’s original response on unperturbed inputs and injecting explicit (false-answer hints) and implicit (contextual contradictions) misleading instructions.
Outcome: The proposed model overturns a correct answer in 65% of cases after receiving a single deceptive cue.
No More Stale Feedback: Co-Evolving Critics for Open-World Agent Learning (2026.acl-long)

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Challenge: Current methods for training Large Language Model agents rely on static or offline critic models, which fail to adapt as the policy evolves.
Approach: They propose a framework that integrates a critique and a policy to optimize the policy and critic through a synchronized co-evolutionary loop.
Outcome: The proposed framework yields more stable training and higher long-horizon task success across open-world environments.
Probabilistically Masked Language Model Capable of Autoregressive Generation in Arbitrary Word Order (2020.acl-main)

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Challenge: Large-scale pretrained language models such as masked language model (MLM) have brought significant improvements to many NLU and NLG tasks.
Approach: They propose a probabilistic masking scheme for the masked language model and a model with a uniform prior distribution on the masking ratio.
Outcome: The proposed model outperforms BERT on a bunch of downstream NLG tasks.
When Benchmarks Age: Temporal Misalignment through Large Language Model Factuality Evaluation (2026.eacl-short)

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Challenge: Existing studies on LLM factuality evaluation have not investigated the reliability of static evaluation benchmarks.
Approach: They examine five popular factuality benchmarks and eight LLMs released over different years to assess their reliability.
Outcome: The proposed method compared five popular factuality benchmarks and eight LLMs released over different years.
Stepwise Reasoning Checkpoint Analysis: A Test Time Scaling Method to Enhance LLMs’ Reasoning (2025.emnlp-main)

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Challenge: Existing methods that use Chain-of-Thought suffer from path homogenization and inefficient use of intermediate results.
Approach: They propose a framework that introduces checkpoints between reasoning steps to reduce path homogenization and create fault-tolerant mechanisms.
Outcome: The proposed framework reduces path homogenization and creates fault-tolerant mechanism by utilizing high-quality intermediate results.
QuickLLaMA: Query-aware Inference Acceleration for Large Language Models (2025.coling-main)

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Challenge: Large Language Models (LLMs) struggle with capturing long-distance dependencies within sequences to deeply understand semantics.
Approach: They propose a system that captures relevant information within a fixed window size and provides precise answers to queries.
Outcome: The proposed system can read Harry Potter within 30s and accurately answer the questions.
Semantic-Preserving Abstractive Text Summarization with Siamese Generative Adversarial Net (2022.findings-naacl)

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Challenge: Existing methods focus on attention mechanism, but they are not suitable for abstractive text summarization.
Approach: They propose a siamese generative adversarial net for abstractive text summarization which preserves the main semantics of the source text and the target summary.
Outcome: The proposed model can preserve the main semantics of the source text and target summary.
P²Net: Parallel Pointer-based Network for Key Information Extraction with Complex Layouts (2025.findings-acl)

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Challenge: Existing methods for key information extraction are based on a limited set of entity categories and fixed layouts.
Approach: They propose a large-scale, human-annotated dataset for key information extraction . it is based on a human-annotated layout and 1,162 entity categories . they propose 'parallel pointer-based network' that leverages implicit relationships .
Outcome: Experiments on widely-used datasets show that the proposed model outperforms state-of-the-art methods while maintaining fast inference speeds.
RV-Syn: Rational and Verifiable Mathematical Reasoning Data Synthesis based on Structured Function Library (2026.findings-eacl)

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Challenge: Existing methods for generating high-quality reasoning data are limited in quality and availability.
Approach: They propose a method that constructs mathematical operations and generates verifiable graphs that are back-translated into complex problems.
Outcome: The proposed method achieves a 6.3% performance gain over existing methods on LLaMA-3-8B and outperforms others with only half the training data (50k vs. 100k).
Inserting Information Bottlenecks for Attribution in Transformers (2020.findings-emnlp)

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Challenge: Pretrained transformers are a popular approach for understanding features important for prediction.
Approach: They apply information bottlenecks to analyze attribution of features for prediction on a black-box model.
Outcome: The proposed method outperforms two competing methods in degradation tests on four datasets.
LongReD: Mitigating Short-Text Degradation of Long-Context Large Language Models via Restoration Distillation (2025.acl-long)

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Challenge: Large language models (LLMs) have extended context windows through scaling positional encodings and lightweight continual pre-training, but performance degradation is still not fully explored.
Approach: They propose a novel approach to reduce short-text performance degradation by minimizing distribution drift in hidden states and attention scores.
Outcome: The proposed approach minimizes the distribution discrepancy between the extended and original models while maintaining or even enhancing the model's long-context abilities.
YuLan-Mini: Pushing the Limits of Open Data-efficient Language Model (2025.acl-long)

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Challenge: prevailing pre-training approaches for large language models involve several complexities.
Approach: They propose a low-cost training recipe and a robust optimization approach to mitigate training instability . they also propose synthesis, curriculum, and data selection pipelines to integrate data .
Outcome: The proposed model achieves top-tier performance among models with similar parameter scale . it is comparable to industry-leading models that require significantly more data .
Crowd Comparative Reasoning: Unlocking Comprehensive Evaluations for LLM-as-a-Judge (2025.acl-long)

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Challenge: Existing methods rely on majority voting or criteria expansion to capture detailed and detailed details, often leading to incomplete outcomes.
Approach: They propose a method which introduces additional crowd responses to compare with the candidate responses, thereby exposing deeper and more comprehensive details within the candidate answers.
Outcome: Experiments show that the proposed method improves evaluation reliability and achieves an average gain of 6.7% across five benchmarks.
Pan More Gold from the Sand: Refining Open-domain Dialogue Training with Noisy Self-Retrieval Generation (2022.coling-1)

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Challenge: Existing methods for generating open-domain dialogue systems underutilize training data.
Approach: They propose a retrieval-generation training framework that takes advantage of heterogeneous training data by considering them as "evidence" they use BERTScore retrieval framework which gives better qualities of the training data, they show .
Outcome: The proposed method performs well on zero-shot experiments and is more robust to real-world data.
Sticker-TTS: Learn to Utilize Historical Experience with a Sticker-driven Test-Time Scaling Framework (2025.emnlp-main)

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Challenge: Large reasoning models have exhibited strong performance on complex reasoning tasks, but current test-time scaling methods rely on redundant sampling and ignore historical experience utilization.
Approach: They propose a test-time scaling framework that coordinates three collaborative LRMs to iteratively explore and refine solutions guided by historical attempts.
Outcome: The proposed framework surpasses strong baselines on three mathematical reasoning benchmarks, including AIME-24, AIME-25, and OlymMATH.
Revisiting Pre-trained Language Models and their Evaluation for Arabic Natural Language Processing (2022.emnlp-main)

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Challenge: Existing pre-trained language models are not well-explored and are not reproducible in the literature.
Approach: They propose to improve existing Arabic language pre-trained language models using a more methodical approach.
Outcome: The proposed models outperform existing models on ALUE, a leaderboard-powered benchmark for Arabic NLU and NLG tasks.
Agentic Conversational Search with Contextualized Reasoning via Reinforcement Learning (2026.findings-acl)

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Challenge: Existing studies focus on single-turn scenarios, which might lack the ability to handle multi-turn interactions.
Approach: They propose a conversational agent that interleaves search and reasoning across turns and provides tailored rewards towards evolving user goals.
Outcome: The proposed agent interleaves search and reasoning across turns, enabling exploratory and adaptive behaviors learned through reinforcement learning (RL) training with tailored rewards towards evolving user goals.
HyperPELT: Unified Parameter-Efficient Language Model Tuning for Both Language and Vision-and-Language Tasks (2023.findings-acl)

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Challenge: Pretraining and fine-tuning are the dominant paradigms in natural language processing.
Approach: They propose a parameter-efficient multitask learning framework that takes trainable hyper-embeddings and visual modality as input and outputs weights for different modules in a pretrained language model.
Outcome: The proposed framework adds fewer trainable parameters in multi-task learning while achieving superior performances and transfer ability compared to state-of-the-art methods.
Learning to Edit: Aligning LLMs with Knowledge Editing (2024.acl-long)

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Challenge: Existing knowledge editing techniques rely on memorizing updated knowledge, impeding LLMs from effectively combining the new knowledge with their inherent knowledge when answering questions.
Approach: They propose a Learning to Edit framework that equips LLMs with the ability to apply updated knowledge to input questions through a two-phase process .
Outcome: The proposed framework outperforms existing methods in knowledge editing tasks and compares it with four benchmarks and two LLM architectures.
Smart-Searcher: Incentivizing the Dynamic Knowledge Acquisition of LLMs via Reinforcement Learning (2025.findings-emnlp)

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Challenge: Large Language Models (LLMs) are powerful but prone to hallucinations due to static knowledge. Retrieval-augmented generation (RAG) helps by injecting external information, but current methods are costly, generalize poorly, or ignore the model’s internal knowledge.
Approach: They propose a framework to train large language models to leverage both internal and external knowledge sources.
Outcome: The proposed framework outperforms existing methods and achieves efficient retrieval-augmented reasoning.
Generate & Rank: A Multi-task Framework for Math Word Problems (2021.findings-emnlp)

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Challenge: Existing studies formalize MWP as a generation task but mathematical expressions are prone to minor mistakes.
Approach: They propose a ranking task for math word problem (MWP) that learns from its own mistakes and distinguishes between correct and incorrect expressions.
Outcome: The proposed model outperforms baselines on the classical Math23k dataset and is 7% higher than the state-of-the-art.
A Strategic Coordination Framework of Small LMs Matches Large LMs in Data Synthesis (2025.acl-long)

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Challenge: Large Language Models suffer from high computational costs and environmental inefficiency . smaller LMs are more accessible and sustainable, but their individual capabilities often fall short . a collaborative framework for small LM combines specialized roles to iterative refinement and quality control .
Approach: They propose a framework that aggregates specialized roles across small LMs to iterative refinement and quality control typically achieved by a single large LM.
Outcome: The proposed framework aggregates specialized roles across small LMs to iterative refinement and quality control typically achieved by large LM.
World to Code: Multi-modal Data Generation via Self-Instructed Compositional Captioning and Filtering (2024.emnlp-main)

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Challenge: Recent advances in Vision-Language Models and the scarcity of high-quality multi-modal alignment data have inspired numerous researches on synthetic VLM data generation.
Approach: They propose a multi-modal data construction pipeline that organizes the final output into a Python code format.
Outcome: The proposed pipeline improves visual question answering and visual grounding benchmarks across different VLMs.
Middo: Model-Informed Dynamic Data Optimization for Enhanced LLM Fine-Tuning via Closed-Loop Learning (2025.emnlp-main)

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Challenge: Existing approaches to improve data quality face limitations in static dataset curation that fail to adapt to evolving model capabilities.
Approach: They propose a self-evolving framework that uses model-aware data selection and context-preserving data refinement to improve LLM performance.
Outcome: The proposed framework improves the quality of seed data and boosts LLM’s performance with improving accuracy by 7.15% on average while maintaining the original dataset scale.
Gradually Excavating External Knowledge for Implicit Complex Question Answering (2023.findings-emnlp)

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Challenge: Large language models (LLMs) have gained attention for their human-comparable capabilities but they may not solve open-domain implicit questions due to out-of-date domain knowledge, one-shot generation and restricted comprehensiveness.
Approach: They propose a gradual knowledge excavation framework for open-domain complex question answering using extrinsic knowledge and historical knowledge.
Outcome: The proposed framework achieves 78.17% accuracy with less than 6% parameters of its competitors, setting new SOTA in the 10B LLM class.
Prompt-Based Length Controlled Generation with Multiple Control Types (2024.findings-acl)

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Challenge: Existing length control methods focus on a simple control type of “equal to” a target length.
Approach: They propose a prompt-based method to achieve length controlled generation under different control types with high accuracy by using reinforcement learning and sample filtering with the reward signal given by rule-based reward models.
Outcome: The proposed method significantly improves the accuracy of prompt-based length control on popular summarization datasets like CNNDM and NYT under multiple control types.
Towards Effective and Efficient Continual Pre-training of Large Language Models (2025.acl-long)

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Challenge: Continual pre-training (CPT) has been an important approach for adapting language models to specific domains or tasks.
Approach: They propose a Continual pre-training method that can greatly improve Chinese language ability and scientific reasoning ability of LLMs.
Outcome: The proposed method can greatly improve Chinese language ability and scientific reasoning ability of LLMs.
Reasoning While Asking: Transforming Reasoning Large Language Models from Passive Solvers to Proactive Inquirers (2026.acl-long)

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Challenge: Existing reasoning-oriented LLMs lack a blind self-thinking paradigm . current models fail to recognize when their reasoning is underinformed or based on ambiguous user instructions .
Approach: They propose a new reasoning paradigm that transforms LLMs into proactive inquirers that interleave reasoning with clarification.
Outcome: The proposed model outperforms baseline models on mathematical reasoning, code generation, and document editing.
Read Anywhere Pointed: Layout-aware GUI Screen Reading with Tree-of-Lens Grounding (2024.emnlp-main)

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Challenge: Existing models for GUI understanding ignore a key GUI-referring task: screen reading based on user-indicated points.
Approach: They propose a Tree-of-Lens agent that constructs a Hierarchical Layout Tree based on user input points and a GUI screenshot.
Outcome: The proposed agent can interpret the Screen Point-and-Read task on mobile, web, and operating systems.
STANKER: Stacking Network based on Level-grained Attention-masked BERT for Rumor Detection on Social Media (2021.emnlp-main)

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Challenge: Existing models for text classification are limited in performance, resulting in poor rumor detection.
Approach: They propose to use Chinese microblogs to detect rumors using pre-trained language models and auxiliary features such as comments to mask co-attention.
Outcome: The proposed model outperforms the state-of-the-art on Weibo20 and three existing social media datasets.
Pre-training Language Models with Deterministic Factual Knowledge (2022.emnlp-main)

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Challenge: Existing studies show that Pre-trained Language Models fail to capture factual knowledge robustly.
Approach: They propose to let PLMs learn the deterministic relationship between context and masked content to improve their ability to capture factual knowledge.
Outcome: The proposed methods improve accuracy and consistency of factual knowledge capturing and boost performance of other knowledge-intensive tasks.
TernaryBERT: Distillation-aware Ultra-low Bit BERT (2020.emnlp-main)

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Challenge: Transformer-based pre-training models like BERT are computationally expensive and limited to resource-constrained devices.
Approach: They propose a method which ternarizes the weights in a fine-tuned BERT model.
Outcome: The proposed method outperforms the other methods on the GLUE and SQUAD benchmarks while being 14.9x smaller.
MMLU-ProX: A Multilingual Benchmark for Advanced Large Language Model Evaluation (2025.emnlp-main)

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Challenge: Existing large language model evaluation benchmarks focus on English, while current multilingual tasks lack parallel questions that specifically assess cross-lingual reasoning abilities.
Approach: They propose a comprehensive benchmark covering 29 languages, built on an English benchmark.
Outcome: The MMLU-ProX is a comprehensive benchmark covering 29 languages, built on an English benchmark.
Global Context or Local Detail? Adaptive Visual Grounding for Hallucination Mitigation (2026.findings-acl)

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Challenge: Large vision–language models suffer from object-existence hallucinations when multi-step deliberation decouples from visual evidence.
Approach: They propose a framework that allocates visual computation by uncertainty . they propose highlighting retains global context, while selective zoom-in performs local verification.
Outcome: The proposed framework reduces the complexity of multimodal reasoning by minimizing the operator trade-off.
CAFE: Retrieval Head-based Coarse-to-Fine Information Seeking to Enhance Multi-Document QA Capability (2025.emnlp-main)

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Challenge: Existing methods to extend context length of Large Language Models (LLMs) still struggle with retrieval and reasoning in long context inputs.
Approach: They propose a coarse-to-fine method to enhance multi-document question-answering capacities by removing background and distracting documents.
Outcome: Experiments show that CAFE outperforms baseline methods on multiple documents.
Neuron Empirical Gradient: Discovering and Quantifying Neurons’ Global Linear Controllability (2025.acl-long)

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Challenge: Existing studies have shown that feed-forward neurons in pre-trained language models (PLMs) can encode factual knowledge, but current methods are costly and lack the link between activations and outputs.
Approach: They propose to compute a global linear relationship between neuron activations and outputs using a knowledge probing dataset.
Outcome: The proposed method exploits the neural empirical gradient to capture changes in neuron activations and model outputs.
ToolFlow: Boosting LLM Tool-Calling Through Natural and Coherent Dialogue Synthesis (2025.naacl-long)

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Challenge: Large Language Models (LLMs) can be enhanced by using supervised fine-tuning . however, access to fine-timing data can be limited.
Approach: They propose a Graph-based Sampling strategy and a Planned-generation strategy to enhance the coherence between dialogues by using 8,000 synthetic dialogues.
Outcome: The proposed model achieves tool-calling performance comparable to or surpassing GPT-4 while maintaining strong general capabilities.
FollowBench: A Multi-level Fine-grained Constraints Following Benchmark for Large Language Models (2024.acl-long)

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Challenge: Existing benchmarks focus on evaluating pure response quality, rather than assessing whether the response follows constraints stated in the instruction.
Approach: They propose a Multi-level Fine-grained Constraints Following Benchmark for Large Language Models that adds a single constraint to the initial instruction at each increased level.
Outcome: The proposed model can follow instructions with more constraints, and is deemed to have better instruction-following ability.
When 20 Agents Fail to Sort: The Distributed Sorting Benchmark for Scalable Multi-Agent Systems (2026.findings-acl)

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Challenge: MAS-BENCH isolates coordination under explicit communication constraints . CAMOC significantly improves coordination success and efficiency across backends .
Approach: They propose a distributed-sorting benchmark that isolates coordination under explicit communication constraints.
Outcome: MAS-BENCH improves coordination success and efficiency across backends . CAMOC significantly improves efficiency under shared-state interaction .
Paraphrase Generation with Deep Reinforcement Learning (D18-1)

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Challenge: Paraphrase generation is an important but challenging task in natural language processing . traditional symbolic approaches to paraphrase generation include rule-based methods, thesaurus-based approaches and statistical machine translation (SMT)
Approach: They propose a deep reinforcement learning approach to automatic paraphrase generation . they propose supervised learning and reinforcement learning for evaluators .
Outcome: The proposed framework outperforms state-of-the-art methods in paraphrase generation on two datasets.
bert2BERT: Towards Reusable Pretrained Language Models (2022.acl-long)

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Challenge: Pre-training large language models can be expensive and wasteful.
Approach: They propose a method which can transfer the knowledge of an existing smaller pre-trained model to a large model through parameter initialization and a two-stage learning method to further accelerate the pre-training.
Outcome: The proposed method can transfer the knowledge of an existing smaller pre-trained model to a large model through parameter initialization and significantly improve the pre-training efficiency of the large model.
Enabling Multimodal Generation on CLIP via Vision-Language Knowledge Distillation (2022.findings-acl)

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Challenge: Recent large-scale vision-language pre-training models are powerful in multimodal classification and retrieval tasks.
Approach: They propose to augment a vision-language pre-training model with a textual pre-trained language model . the model achieves 44.5% zero-shot accuracy on multimodal generation tasks .
Outcome: The proposed model achieves 44.5% zero-shot accuracy on open-ended visual question answering and image captioning tasks.
Chain-of-Probe: Examining the Necessity and Accuracy of CoT Step-by-Step (2025.findings-naacl)

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Challenge: Current research found the issue of Early Answering in large language models where the models already have an answer before generating the Chain-of-Thought (CoT).
Approach: They propose a method to probe changes in confidence during the model’s reasoning and prioritize answers with correct reasoning among multiple candidates.
Outcome: The proposed method reveals that in a significant number of question-answer cases, CoT appears to be unnecessary and this necessity correlates with the simplicity of the task, defined by the reasoning steps required.
Interpretable Charge Predictions for Criminal Cases: Learning to Generate Court Views from Fact Descriptions (N18-1)

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Challenge: Existing work on court view generation from fact descriptions has improved the working efficiency of legal assistant systems.
Approach: They propose to decode court views conditioned on encoded charge labels from the fact description in a criminal case to improve interpretability of charge prediction systems.
Outcome: The proposed model can generate court views conditioned on encoded charge labels.
Learning to Align Multi-Faceted Evaluation: A Unified and Robust Framework (2025.findings-acl)

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Challenge: Existing methods for fine-tuning open-source LLMs are limited to text-based analysis under predefined general criteria.
Approach: They propose a framework that fine-tunes LLMs to replicate the evaluation explanations and judgments of proprietary models.
Outcome: The proposed evaluation framework outperforms existing fine-tuned evaluation methods in effectiveness and robustness.
TIGEr: Text-to-Image Grounding for Image Caption Evaluation (D19-1)

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Challenge: Existing metrics based on text-level comparisons fail to assess the quality of captions produced by machines.
Approach: They propose to use a machine-learned text-image grounding model to measure the accuracy of machine-generated captions and their correlation with human judgments.
Outcome: The proposed metric has higher consistency with human judgments and is more accurate than existing metrics.
Towards Identifying Social Bias in Dialog Systems: Framework, Dataset, and Benchmark (2022.findings-emnlp)

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Challenge: a number of safety concerns hinder the deployment of open-domain dialog systems, such as offensive languages and toxic behaviors, such social bias is difficult to detect.
Approach: They propose a Dial-Bias Framework for analyzing social bias in conversations . they introduce a Chinese social bias dialog dataset and conduct in-depth ablation studies .
Outcome: The proposed framework is the first annotated Chinese social bias dialog dataset . the proposed framework also provides a fine-grained dialog bias measurement benchmark .
SAGE: Synergistic Adaptive Gating of Experts for Hateful Video Detection (2026.acl-long)

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Challenge: Existing methods for hateful video detection rely on multimodal feature fusion . existing methods rely only on blind feature mixing, which leads to feature dilution .
Approach: They propose a framework that shifts from blind feature mixing to decision-level arbitration . it instantiates disentangled experts to rigorously preserve modality-specific semantics .
Outcome: The proposed framework outperforms state-of-the-art methods on HateMM and MultiHateClip benchmarks.
Compilable Neural Code Generation with Compiler Feedback (2022.findings-acl)

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Challenge: Existing deep-learning approaches model code generation as text generation, but few of them account for compilability of the generated programs.
Approach: They propose a three-stage pipeline utilizing compiler feedback for compilable code generation to improve compilability.
Outcome: The proposed pipeline improves compilability of generated programs by combining compiler feedback, language model fine-tuning, and compilable discrimination.
A General Framework for Adaptation of Neural Machine Translation to Simultaneous Translation (2020.aacl-main)

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Challenge: Despite the success of neural machine translation, simultaneous neural machine translators are challenging due to syntactic structure difference and simultaneity requirements.
Approach: They propose a framework for adapting neural machine translation to translate simultaneously . they propose 'prefix translation' that utilizes a consecutive NMT model to translate source prefixes .
Outcome: The proposed framework balancing quality and latency on three translation corpora and two language pairs shows that it performs well.
TinyBERT: Distilling BERT for Natural Language Understanding (2020.findings-emnlp)

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Challenge: Pre-trained language models are computationally expensive and difficult to efficiently execute on resource-restricted devices.
Approach: They propose a Transformer distillation method that performs Transformer distillations at pre-training and task-specific learning stages.
Outcome: The proposed method accelerates inference and reduces model size while maintaining accuracy.
Interpretable Rationale Augmented Charge Prediction System (C18-2)

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Challenge: Existing studies treat charge prediction as a text classification problem, but in the field of justice, every decision may be a matter of life and death.
Approach: They propose to extract readable rationales from text and then create a rationale augmented classification model to enhance the prediction accuracy.
Outcome: The proposed system can extract readable rationales in a high consistency with manual annotation and is comparable with the attention model in prediction accuracy.
CAME: Confidence-guided Adaptive Memory Efficient Optimization (2023.acl-long)

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Challenge: Existing memory-efficient methods require second-moment estimates of the per-parameter gradients to maintain their performance.
Approach: They propose to use memory-efficient optimizers to reduce memory usage by preserving second-moment estimates of gradients.
Outcome: The proposed method achieves fast convergence and lower memory usage across training tasks.
Not All Metrics Are Guilty: Improving NLG Evaluation by Diversifying References (2024.naacl-long)

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Challenge: Existing evaluation benchmarks with limited references may not accurately reflect the quality of the model’s hypotheses.
Approach: They propose a method to enrich evaluation benchmarks by diversifying the expression of a single reference into multiple high-quality ones to cover the semantic space of the reference sentence as much as possible.
Outcome: The proposed method can enhance evaluation benchmarks by diversifying the expression of reference into multiple high-quality ones to cover the semantic space of the reference sentence as much as possible.
Scaling up Open Tagging from Tens to Thousands: Comprehension Empowered Attribute Value Extraction from Product Title (P19-1)

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Challenge: Existing models treat each attribute as an entity type and build one set of NER tags for each of them, leading to scalability issues.
Approach: They propose to regard attribute as a query and adopt only one global set of BIO tags for any attributes to reduce the burden of attribute tag or model explosion.
Outcome: The proposed model outperforms state-of-the-art models and generates promising results for 8,906 attributes.
Exploring the Potential of ChatGPT on Sentence Level Relations: A Focus on Temporal, Causal, and Discourse Relations (2024.findings-eacl)

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Challenge: Recent studies have demonstrated ChatGPT's remarkable few-shot, even zero-shot learning abilities when compared to other models.
Approach: They quantitatively evaluate the performance of ChatGPT on inter-sentential relations such as temporal relations, causal relations, and discourse relations.
Outcome: The proposed model performs well on temporal relations, causal relations, and discourse relations.
OAgents: An Empirical Study of Building Effective Agents (2025.findings-emnlp)

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Challenge: a recent study shows that agent research practices are far from standard, rigorous . lack of a standard evaluation protocol makes previous works not reproducible, authors say .
Approach: They conduct an empirical study on the GAIA benchmark to investigate agent design choices . they find that lack of a standard evaluation protocol makes previous works not reproducible .
Outcome: The proposed framework achieves state-of-the-art performance among open-source projects.
Improving Unsupervised Question Answering via Summarization-Informed Question Generation (2021.emnlp-main)

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Challenge: Question Generation (QG) is the production of meaningful questions given a set of input passages and corresponding answers.
Approach: They propose a method which uses questions generated heuristically from news summaries as a source of training data for a QG system.
Outcome: The proposed method outperforms previous unsupervised models on three in-domain datasets and three out-of-domain ones.
ReasoningLM: Enabling Structural Subgraph Reasoning in Pre-trained Language Models for Question Answering over Knowledge Graph (2023.emnlp-main)

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Challenge: Question Answering over Knowledge Graph (KGQA) aims to find answer entities for natural language questions based on knowledge graphs.
Approach: They propose a subgraph-aware self-attention mechanism to imitate the graph neural network (GNN) based module to perform multi-hop reasoning on KG.
Outcome: The proposed method surpasses state-of-the-art models by a large margin even with fewer updated parameters and less training data.
Planning, Creation, Usage: Benchmarking LLMs for Comprehensive Tool Utilization in Real-World Complex Scenarios (2024.findings-acl)

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Challenge: Existing benchmarks focus on simple synthesized queries that do not reflect real-world complexity, thereby offering limited perspectives in evaluating tool utilization.
Approach: They propose a benchmark to evaluate LLMs’ ability in tool utilization within real-world scenarios.
Outcome: The proposed benchmark improves LLMs’ ability in tool utilization within real-world scenarios and eliminates the restriction of pre-defined toolset.
Mixture of insighTful Experts (MoTE): The Synergy of Reasoning Chains and Expert Mixtures in Self-Alignment (2025.acl-long)

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Challenge: Recent studies show that reasoning abilities contribute significantly to model safety, while integrating Mixture-of-Experts (MoE) architectures can further enhance alignment.
Approach: They propose a framework that synergistically combines reasoning chains and expert mixtures to improve self-alignment.
Outcome: The proposed framework improves model safety, jailbreak resistance, and over-refusal capabilities, achieving performance comparable to OpenAI’s state-of-the-art o1 model.
SimpleDeepSearcher: Deep Information Seeking via Web-Powered Reasoning Trajectory Synthesis (2025.findings-emnlp)

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Challenge: Existing approaches to deep search training lack high-quality training trajectories, prohibitive computational costs and lack of high-fidelity training data.
Approach: They propose a framework that synthesizes high-quality training data by simulating real user interactions in live web search environments.
Outcome: The proposed framework synthesizes high-quality training data by simulating user interactions in live web search environments.
NewsDialogues: Towards Proactive News Grounded Conversation (2023.findings-acl)

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Challenge: Hot news is one of the most popular topics in daily conversations.
Approach: They propose a task where a dialogue system can lead the conversation based on key topics of the news.
Outcome: The proposed method can lead conversations based on key topics of the news . it can also be used in information-seeking and chit-chat scenarios .
Embodied-Reasoner: Synergizing Visual Search, Reasoning, and Action for Embodied Interactive Tasks (2026.acl-long)

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Challenge: Recent advances in reasoning models have demonstrated remarkable capabilities on mathematical and coding tasks, but their effectiveness in embodied domains remains largely unexplored.
Approach: They propose a reasoning model for interactive embodied tasks that synthesizes 9.3k coherent Observation-Thought-Action trajectories containing 64k ego-centric images and 90k diverse reasoning processes.
Outcome: The proposed model outperforms existing visual reasoning models by +9%, 24%, and +13% on long-horizon tasks.
Leveraging High-Resource English Corpora for Cross-lingual Domain Adaptation in Low-Resource Japanese Medicine via Continued Pre-training (2025.findings-emnlp)

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Challenge: low-resource language corpora in professional domains like medicine hinder cross-lingual domain adaptation of pre-trained large language models.
Approach: They examine how linguistic features affect performance on a Japanese–English medical knowledge benchmark.
Outcome: The proposed model can leverage English-language resources in medical domains while ensuring sufficient coverage of language-specific expressions in a target language.
Instruction-Tuning Data Synthesis from Scratch via Web Reconstruction (2025.findings-acl)

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Challenge: Existing methods for generating and curating high-quality instruction-tuning data rely heavily on the quality of seed data or strong assumptions about the structure and content of web documents.
Approach: They propose a fully automated framework for synthesizing high-quality instruction-tuning (IT) data directly from raw web documents with minimal assumptions.
Outcome: The proposed framework outperforms state-of-the-art baselines by 16.65% across four instruction-following benchmarks.
CRST: a Claim Retrieval System in Twitter (C18-2)

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Challenge: CRST retrieves tweets containing arguments for controversial topics from Twitter.
Approach: They propose a system that retrieves tweets containing claims for a given topic from Twitter.
Outcome: The proposed system outperforms existing claims retrieval and argument mining systems.
ERNIE: Enhanced Language Representation with Informative Entities (P19-1)

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Challenge: Existing pre-trained language models rarely consider incorporating knowledge graphs (KGs) Existing models capture rich semantic patterns from plain text and can be fine-tuned to improve performance of NLP tasks.
Approach: They propose to incorporate knowledge graphs into pre-trained language models to enhance language representation with external knowledge.
Outcome: The proposed model can take full advantage of lexical, syntactic, and knowledge information simultaneously.
BatonVoice: An Operationalist Framework for Enhancing Controllable Speech Synthesis with Linguistic Intelligence from LLMs (2026.acl-long)

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Challenge: Existing approaches often fail to leverage the linguistic intelligence of Large Language Models (LLMs) Existing models lack the ability to follow text instructions for controllable Text-to-Speech (TTS).
Approach: They propose a framework where an LLM acts as a conductor, understanding user instructions and generating a textual plan - explicit vocal features.
Outcome: The proposed model outperforms open- and closed-source models in speech synthesis and achieves zero-shot cross-lingual generalization.
DAPE V2: Process Attention Score as Feature Map for Length Extrapolation (2025.acl-long)

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Challenge: Extensive experiments demonstrate that treating attention as a feature map and applying convolution as . a processing method significantly enhances Transformer performance.
Approach: They propose to use the convolution operator to mimic the processing methods in computer vision to treat attention as a feature map and apply it to neighboring attention scores across different heads.
Outcome: The proposed model can be adapted to various attention-related models and achieves high performance.
MT-Eval: A Multi-Turn Capabilities Evaluation Benchmark for Large Language Models (2024.emnlp-main)

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Challenge: Existing evaluation frameworks focus on single-turn evaluations, overlooking the models’ capabilities in multi-turn interactions.
Approach: They propose a benchmark to evaluate the multi-turn conversational abilities of large language models (LLMs) by analyzing human-LLM conversations and constructing multi-turned queries for each category using GPT-4.
Outcome: The proposed model outperforms open-source models in multi-turn tasks while retaining and recalling historical information.
AutoTinyBERT: Automatic Hyper-parameter Optimization for Efficient Pre-trained Language Models (2021.acl-long)

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Challenge: Pre-trained language models (PLMs) have achieved great success in natural language processing.
Approach: They propose a method that automatically searches architecture hyper-parameters in BERT . they use one-shot learning and the search space to provide an adaptive development way .
Outcome: The proposed method outperforms both the baseline and distillation-based methods on GLUE and SQUAD benchmarks.
Hyperlink-induced Pre-training for Passage Retrieval in Open-domain Question Answering (2022.acl-long)

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Challenge: Existing methods to train dense passage retrieval have a large data gap between upstream and downstream relevance.
Approach: They propose a method to pre-train the dense retriever with the text relevance induced by hyperlinks within Web documents.
Outcome: The proposed method outperforms existing methods under different scenarios and in the open-domain question answering domain.
An Adaptive Logical Rule Embedding Model for Inductive Reasoning over Temporal Knowledge Graphs (2022.emnlp-main)

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Challenge: Existing methods for temporal knowledge graphs (TKGs) are incomplete and therefore lack interpretability.
Approach: They propose an interpretable temporal knowledge graph reasoning model that captures deep causal logic by learning rule embeddings.
Outcome: The proposed model outperforms state-of-the-art models on the ICEWS14, ICEW0515 and ICEw18 datasets.

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