Papers by Lu Yin

46 papers
LLMs Assist NLP Researchers: Critique Paper (Meta-)Reviewing (2024.emnlp-main)

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Challenge: a comparative analysis of paper (meta-)reviews by large language models (LLMs) aims to identify and distinguish LLMs from human activities .
Approach: They present a comparative analysis to identify and distinguish LLM activities from human activities.
Outcome: The proposed analysis aims to improve recognition of instances when someone implicitly uses LLMs for reviewing activities.
SingaKids: A Multilingual Multimodal Dialogic Tutor for Language Learning (2025.acl-industry)

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Challenge: Empirical studies show that SingaKids provides effective dialogic teaching, benefiting learners at different performance levels.
Approach: They propose a dialogic tutor designed to facilitate language learning through picture description tasks.
Outcome: Empirical studies show that SingaKids provides effective dialogic teaching, benefiting learners at different performance levels.
Iterative Dual Domain Adaptation for Neural Machine Translation (D19-1)

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Challenge: Empirical results on Chinese-English and English-German translation tasks demonstrate the effectiveness of our proposed framework.
Approach: They propose an iterative dual domain adaptation framework for neural machine translation that uses multiple corpora to perform bidirectional translation knowledge transfer.
Outcome: Empirical results on Chinese-English and English-German translation tasks demonstrate the effectiveness of the proposed framework.
Leveraging Outline-Optimized Generative Interactions and Critique for Self-Refining Outlines with Reinforcement Learning (2026.acl-long)

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Challenge: Logic-RL is a framework that transforms critique-guided outline refinement into a learnable policy through reinforcement learning.
Approach: They propose a framework that transforms critique-guided outline refinement into a learnable policy through reinforcement learning.
Outcome: The proposed framework improves on FreshWiki and WikiOutline . it can be iteratively applied, with improved quality continuing through three refinement rounds before diminishing returns.
Multilingual Knowledge Graph Completion with Self-Supervised Adaptive Graph Alignment (2022.acl-long)

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Challenge: Existing methods to predict missing facts in knowledge graphs are limited in language alignment . SS-AGA uses seed alignment as an edge type to fuses all KGs as a whole graph .
Approach: They propose a self-supervised adaptive graph alignment method that fuses all KGs as a whole graph by regarding alignment as 'a new edge type' they propose SS-AGA method that uses relation-aware attention weights to capture potential alignment pairs in a new paradigm.
Outcome: The proposed method can predict missing facts in a knowledge graph (KG) but language alignment is scarce and new alignment identification is noisy.
TheoremQA: A Theorem-driven Question Answering Dataset (2023.emnlp-main)

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Challenge: Recent LLMs like GPT-4 and PaLM-2 have made tremendous progress in solving fundamental math problems like GSM8K by achieving over 90% accuracy.
Approach: They propose to use theorem-driven question-answering dataset to evaluate AI models' ability to apply theoretic concepts to solving challenging science problems.
Outcome: TheoremQA is curated by domain experts and contains 800 high-quality questions covering 350 theoremics from Math, Physics, EE&CS, and Finance.
RepoGenesis: Benchmarking End-to-End Microservice Generation from Readme to Repository (2026.acl-long)

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Challenge: Existing benchmarks focus on isolated function/class-level generation, neglecting complete microservice repository generation.
Approach: They propose a multilingual benchmark for repository-level end-to-end web microservice generation that reflects real-world development workflows.
Outcome: The benchmark compared 106 repositories across 18 domains and 11 frameworks and 1,258 API endpoints and 2,335 test cases.
RoleMRC: A Fine-Grained Composite Benchmark for Role-Playing and Instruction-Following (2025.findings-acl)

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Challenge: Existing role-playing datasets mostly contribute to controlling role style and knowledge boundaries, but overlook role-following in instruction-follower scenarios.
Approach: They propose a fine-grained role-playing and instruction-following composite benchmark, named RoleMRC, which includes multi-turn dialogues between ideal roles and humans, including free chats or discussions upon given passages .
Outcome: The proposed model improves instruction-following without compromising general role-playing and reasoning capabilities.
Logic: Long-form Outline Generation via Imitative and Critical Self-refinement (2025.findings-emnlp)

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Challenge: Existing methods for long-form outline generation have low knowledge density and lack detail . retrieval-augmented approaches struggle to maintain logical coherence across retrieved information .
Approach: They propose a system that mimics human writers' refinement process by mimicking outlines through imitation and critical self-refinement.
Outcome: The proposed system improves on the FreshWiki and WikiOutline datasets and establishes a coherent planning framework and structured knowledge base.
Tell Me What You Don’t Know: Enhancing Refusal Capabilities of Role-Playing Agents via Representation Space Analysis and Editing (2025.findings-acl)

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Challenge: Role-playing Agents (RPAs) struggle to recognize and respond to hard queries that conflict with their role-play knowledge.
Approach: They propose a lightweight representation editing approach that conveniently shifts conflicting requests to the rejection region, thereby enhancing the model’s refusal accuracy.
Outcome: The proposed model improves RPAs’ refusal ability of conflicting requests while maintaining their general role-playing capabilities.
LongLeader: A Comprehensive Leaderboard for Large Language Models in Long-context Scenarios (2025.naacl-long)

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Challenge: LongLeader aims to assess different LLMs' long-context comprehension abilities . long-constext comprehension is a key bottleneck for many use cases .
Approach: They propose a leaderboard to assess different LLMs' long-context comprehension abilities . they offer open-source access to the benchmarks and maintain a dedicated website .
Outcome: The proposed model assesses different LLMs on selected benchmarks and provides open-source access to the benchmarks.
FNSCC: Fuzzy Neighborhood-Aware Self-Supervised Contrastive Clustering for Short Text (2025.findings-emnlp)

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Challenge: Short texts pose significant challenges for clustering due to semantic sparsity, limited context and fuzzy category boundaries.
Approach: proposed framework incorporates neighborhood information at instance and cluster levels . a cluster-level framework introduces fuzzy neighborhood-aware weighting .
Outcome: The proposed framework outperforms state-of-the-art models on short texts . it excludes neighbors from negative sample set to enhance inter-cluster separability .
Theory-optimal Quantization Based on Flatness (2026.acl-long)

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Challenge: Recent approaches to quantization of Large Language Models (LLMs) have been widely adopted due to activation outliers, which degrade model performance especially at lower bit precision.
Approach: They propose a new metric for quantization that strategically distributes outlier magnitudes across matrix dimensions via optimized diagonal operations.
Outcome: The proposed framework achieves less than 1% accuracy drop in W4A4 quantization on the LLaMA-3-8B model and reduces the performance gap by 39.1% on the more challenging W2A4KV16 model.
FFN-SkipLLM: A Hidden Gem for Autoregressive Decoding with Adaptive Feed Forward Skipping (2024.emnlp-main)

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Challenge: Autoregressive Large Language Models (LLMs) are omnipresent but typically come with a substantial model size.
Approach: They propose a novel fine-grained skip strategy for autoregressive large language models . they observe the saturation of computationally expensive feed-forward blocks of LLMs .
Outcome: The proposed method can skip 25-30% of FFN blocks with marginal change in performance on knowledge-intensive generation tasks.
CLUE: A Chinese Language Understanding Evaluation Benchmark (2020.coling-main)

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Challenge: Existing language evaluation benchmarks for English are limited to English . lack of such benchmarks makes it difficult to replicate success in other languages .
Approach: They introduce a large-scale Chinese language understanding evaluation benchmark . the benchmark uses a set of current state-of-the-art pre-trained Chinese models .
Outcome: The first large-scale Chinese Language Understanding Evaluation (CLUE) benchmark is released . the benchmark evaluates models across a wide range of tasks on original Chinese text . existing language evaluation benchmarks are mostly limited to English .
STATE ToxiCN: A Benchmark for Span-level Target-Aware Toxicity Extraction in Chinese Hate Speech Detection (2025.findings-acl)

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Challenge: Existing studies on Chinese hate speech detection lack span-level fine-grained annotations.
Approach: They construct a Span-level target-aware Toxicity Extraction dataset and evaluate existing models for Chinese hateful slang.
Outcome: The proposed dataset is the first span-level Chinese hate speech dataset and evaluates the ability of existing models to understand hate semantics.
ModRWKV: Transformer Multimodality in Linear Time (2025.emnlp-main)

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Challenge: Currently, multimodal studies are based on large language models with quadratic-complexity Transformer architectures.
Approach: They propose a decoupled multimodal framework built upon the RWKV7 architecture as its LLM backbone and a lightweight architecture to achieve multi-source information fusion.
Outcome: The proposed framework achieves multi-source information fusion through dynamically adaptable heterogeneous modality encoders.
CARD: Cross-modal Agent Framework for Generative and Editable Residential Design (2025.emnlp-main)

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Challenge: Architectural design automation has made significant progress, but the complexity of open-world environments makes residential design a challenging task.
Approach: They propose a framework that leverages a system of specialized cross-modal agents to adapt to open-world residential design.
Outcome: The proposed framework enables users to generate and edit residential design without requiring specialized expertise.
UniXcoder: Unified Cross-Modal Pre-training for Code Representation (2022.acl-long)

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Challenge: Pre-trained models for programming languages have demonstrated great success on code intelligence . however, such pre-tried models are sub-optimal for auto-regressive tasks .
Approach: They propose a unified cross-modal pre-trained model for programming language that leverages cross-module contents like AST and code comment to enhance code representation.
Outcome: The proposed model achieves state-of-the-art on most code-related tasks and compares with existing models on zero-shot code-to-code search.
PychoAgent: Psychology-driven LLM Agents for Explainable Panic Prediction on Social Media during Sudden Disaster Events (2025.emnlp-main)

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Challenge: Social media's rich information content and spatiotemporal granularity provide unique opportunities for emotion prediction and management.
Approach: They propose a Psychology-driven generative Agent framework for explainable panic prediction based on emotion arousal theory.
Outcome: The proposed framework improves panic emotion prediction performance by 13% to 21% compared to baseline models.
Knowledgeable Preference Alignment for LLMs in Domain-specific Question Answering (2024.findings-acl)

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Challenge: Domain-specific question answering (QA) requires a comprehensive understanding of a specific domain to answer specialized questions.
Approach: They propose a new alignment objective to align the LLM preference with different human preferences uniformly to optimize LLM performance in real-world, domain-specific QA settings.
Outcome: The proposed pipeline is superior for real-scenario domain-specific question answering with LLMs.
FloorPlan-LLaMa: Aligning Architects’ Feedback and Domain Knowledge in Architectural Floor Plan Generation (2025.acl-long)

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Challenge: Existing evaluation methods for floor plan generation rely on statistical metrics like FID, GED, and PSNR, which fail to evaluate using domain knowledge.
Approach: They propose to use a first floor plan dataset to train a floor plan generation model based on a multi-dimensional preference score and a textual analysis to integrate architects’ professional expertise and preferences.
Outcome: The proposed model outperforms baseline models in text-conditional and class-condition tasks and is more rational and aligns better with human preferences.
Comprehensive Benchmarking of Long-Form Speech Generation in Diverse Scenarios (2026.findings-acl)

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Challenge: Existing evaluation benchmarks for long-form speech are limited to limited domains, creating a significant gap with the diverse downstream applications.
Approach: They propose a benchmark that decomposes "long-form speech quality" into specific, disentangled dimensions.
Outcome: The proposed benchmark decomposes “long-form speech quality” into specific, disentangled dimensions.
Eliminating Biased Length Reliance of Direct Preference Optimization via Down-Sampled KL Divergence (2024.emnlp-main)

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Challenge: Existing studies attributed verbosity to biased labels, but new research shows that DPO can be effective in mitigating verboses.
Approach: They propose to use a method to reduce the amount of verbosity in LLMs by using a downsampling approach.
Outcome: The proposed approach overcomes the problem of verbosity by reducing the length reliance of the proposed algorithm.
Igniting Creative Writing in Small Language Models: LLM-as-a-Judge versus Multi-Agent Refined Rewards (2025.emnlp-main)

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Challenge: Existing methods for enhancing Large Language Models (LLMs) struggle with novelty and Reinforcement Learning from human feedback (RLHF) is costly.
Approach: They propose to use a Reward Model (RM) and a principle-guided LLM-as-a-Judge to enhance creative output over baselines.
Outcome: The proposed approach significantly enhances creative output over baselines, but the principle-guided LLM-as-a-Judge yields superior generation quality.
MMAU: A Holistic Benchmark of Agent Capabilities Across Diverse Domains (2025.findings-naacl)

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Challenge: Existing benchmarks focus on specific application scenarios, emphasizing task completion but failing to dissect the underlying skills that drive these outcomes.
Approach: They propose a Massive Multitask Agent Understanding benchmark that evaluates LLMs across five domains and offline tasks.
Outcome: The Massive Multitask Agent Understanding (MMAU) benchmark evaluates models across five domains including Tool-use, Directed Acyclic Graph (DAG) QA, Data Science and Machine Learning coding, Contest-level programming and Mathematics.
MultiConIR: Towards Multi-Condition Information Retrieval (2025.findings-emnlp)

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Challenge: MultiConIR is a benchmark designed to evaluate retrieval and reranking models under nuanced multi-condition query scenarios.
Approach: They propose a benchmark to evaluate retrieval and reranking models under nuanced multi-condition query scenarios.
Outcome: The proposed benchmark evaluates retrieval and reranking models under nuanced multi-condition query scenarios across five domains.
CityCube: Benchmarking Cross-view Spatial Reasoning on Vision-Language Models in Urban Environments (2026.acl-long)

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Challenge: Existing benchmarks focus on indoor or street settings, overlooking challenges of open-ended urban spaces.
Approach: They propose a benchmark to probe cross-view spatial reasoning capabilities of current VLMs in urban settings.
Outcome: The citycube benchmark examines the performance of current vision-language models in urban environments.
FIPO: Free-form Instruction-oriented Prompt Optimization with Preference Dataset and Modular Fine-tuning Schema (2025.coling-main)

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Challenge: naive prompts can enhance the task performance of large language models, but they are resource-intensive.
Approach: They propose an automatic prompt optimization method that refines naive prompts according to task outputs from in-box testing models.
Outcome: The proposed method is based on a large-scale dataset and performed fairly across multiple models.
WebAgent-R1: Training Web Agents via End-to-End Multi-Turn Reinforcement Learning (2025.emnlp-main)

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Challenge: Existing work on reinforcement learning has focused on single-turn tasks such as solving math problems.
Approach: They propose a framework that learns directly from online interactions by asynchronously generating diverse trajectories, guided by binary rewards depending on task success.
Outcome: Experiments on the WebArena-Lite benchmark show that the framework outperforms state-of-the-art methods and strong proprietary models.
ASL STEM Wiki: Dataset and Benchmark for Interpreting STEM Articles (2024.emnlp-main)

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Challenge: Deaf and hard-of-hearing students face significant barriers in accessing STEM education due to the scarcity of STEM resources in signed languages.
Approach: They develop models to identify fingerspelled words in American Sign Language (ASL) given an English sentence and a video, the model detects which English phrase is fingerspelled in the clip.
Outcome: ASL STEM Wiki is the first continuous signing dataset focused on STEM . it detects fingerspelled words and queries them for appropriate signs to suggest to interpreters.
Is C4 Dataset Optimal for Pruning? An Investigation of Calibration Data for LLM Pruning (2024.emnlp-main)

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Challenge: Existing approaches to prune LLMs rely on the C4 dataset as calibration data . arithmetic datasets perform better than pre-training datasets for pruning, whereas chain-of-thought is only useful on certain tasks.
Approach: They evaluate the selection of calibration data for LLM pruning across a wide range of datasets . they find that C4 is not the optimal calibration data, and that CoT is only useful on certain tasks.
Outcome: The chosen calibration data significantly impacts the performance of pruned LLMs, the authors found . their results shed light on the importance of carefully selecting calibration data for LLM pruning .
Beyond Cross-Modal Alignment: Measuring and Leveraging Modality Gap in Vision-Language Models (2026.findings-acl)

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Challenge: a recent study shows that vision-language models have modality gaps that persist even in well-aligned models.
Approach: They propose a modality-dominance score to measure and leverage modality gaps . they propose automatic interpretability metrics to evaluate these features in a scalable manner .
Outcome: The proposed framework allows for training-free probing and editing methods for understanding model perception across genders and generating adversarial examples.
ToolSandbox: A Stateful, Conversational, Interactive Evaluation Benchmark for LLM Tool Use Capabilities (2025.findings-naacl)

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Challenge: Recent advances in large language models have led to a growing interest in tool assisted LLMs . toolSandbox includes stateful tool execution, implicit state dependencies between tools .
Approach: a new tool-based evaluation tool is released to help LLMs evaluate their tool-use capabilities. a tool-driven evaluation tool includes stateful tool execution, implicit state dependencies between tools and a built-in user simulator.
Outcome: the toolSandbox evaluation benchmark shows that open source and proprietary models have a performance gap . the benchmarks show that even the most capable LLMs are challenged by state dependent tasks .
Graph-based Multilingual Product Retrieval in E-Commerce Search (2021.naacl-industry)

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Challenge: Modern e-commerce search systems require product retrieval under multilingual scenarios.
Approach: They propose a universal multilingual retrieval system that captures interactions between search queries and items in e-commerce search.
Outcome: The proposed system outperforms state-of-the-art retrieval models on five countries and has been deployed in production for multiple countries.
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.
Thermometer of Thoughts: Enhancing LLM’s Exploration via Attention Temperature Modulation (2026.acl-long)

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Challenge: Recent advances in the reasoning capabilities of large language models have enabled them to tackle complex tasks such as mathematics reasoning.
Approach: They propose a method that modulates attention temperature dynamically to shift LLM's internal focus during reasoning, enabling a dynamic shift between exploratory and focused modes.
Outcome: The proposed method improves Pass@10 by 6.78–14.20% and aggregation accuracy by 9.74% across 7 reasoning benchmarks.
SemPA: Improving Sentence Embeddings of Large Language Models through Semantic Preference Alignment (2026.findings-acl)

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Challenge: Existing sentence embedding methods rely on fixed prompt templates or involve modifications to the model architecture, compromising its generative capabilities.
Approach: They propose a sentence-level direct preference optimization approach that boosts the sentence representations while preserving the generative ability of LLMs.
Outcome: The proposed method improves representations of semantically meaningful vectors without sacrificing generation capability.
An Explainable Toolbox for Evaluating Pre-trained Vision-Language Models (2022.emnlp-demos)

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Challenge: Existing studies evaluate VLP models by comparing the fine-tuned downstream task performance with the average downstream task accuracy.
Approach: They propose a toolbox for evaluating Vision-Language Pretraining (VLP) models.
Outcome: The proposed toolbox provides the preliminary datasets that deepen the image-texting ability of a VLP model.
LLMs + Persona-Plug = Personalized LLMs (2025.acl-long)

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Challenge: Large language models (LLMs) have demonstrated extraordinary capabilities in natural language understanding, generation, and reasoning.
Approach: They propose a plug-and-play LLM model that embeds a user-specific embedding for each individual by modeling her historical contexts through a lightweight plug-in user embedder module.
Outcome: Experiments on various tasks in the language model personalization (LaMP) benchmark show that the proposed model significantly outperforms existing personalized LLM approaches.
Synthetic Data Generation with Large Language Models for Text Classification: Potential and Limitations (2023.emnlp-main)

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Challenge: Recent studies have explored using large language models to generate synthetic datasets . however, the effectiveness of the LLM-generated synthetic data is inconsistent across different classification tasks.
Approach: They propose to use large language models to generate synthetic datasets to better understand factors that moderate the effectiveness of LLM-generated synthetic data.
Outcome: The results show that subjectivity is negatively associated with the performance of the model trained on synthetic data.
Mutual Reinforcement of LLM Dialogue Synthesis and Summarization Capabilities for Few-Shot Dialogue Summarization (2025.findings-naacl)

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Challenge: Empirical results demonstrate that our method improves dialogue summarization, achieving a 1.5% increase in ROUGE scores and a 0.3% improvement in BERT scores in few-shot settings.
Approach: They propose Mutual Reinforcing Data Synthesis (MRDS) within large language models to enhance few-shot dialogue summarization task.
Outcome: Empirical results show that the proposed method improves dialogue summarization, achieving a 1.5% increase in ROUGE scores and a 0.3% improvement in BERT scores in few-shot settings.
MATCH: Modulating Attention via In-Context Retrieval for Long-Context Transformers (2026.acl-long)

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Challenge: Existing approaches to improve efficiency often enforce rigid structural constraints such as local attention windows.
Approach: They propose a framework that augments sparse-attention mechanisms with dynamically integrated in-context information through an efficient retrieval system.
Outcome: Empirical results show that MATCH significantly improves the performance of sparse-attention models on synthetic and real-world natural-language tasks.
AutoTaskEval: Towards Domain-Specific and Fine-Grained Evaluation for LLMs (2026.acl-long)

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Challenge: Existing automated approaches operate within fixed task schemas and often fail to autonomously discover new evaluation dimensions.
Approach: They propose an automated framework that constructs domain-specific benchmarks directly from unstructured corpora using Bloom’s Taxonomy.
Outcome: The proposed framework uncovers a broader and more fine-grained task space than expert-curated benchmarks while producing high-quality instances that preserve established model-level evaluation trends.
Outlier-weighed Layerwise Sampling for LLM Fine-tuning (2025.findings-acl)

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Challenge: Large Language Models (LLMs) are a powerful tool for processing complex natural language processing tasks.
Approach: They propose an approach to fine-tune LLMs with outliers and a gradient low-rank projection to increase the number of fine-sampled layers without a proportional increase in memory costs.
Outcome: The proposed approach outperforms baseline approaches while being more memory efficient.
VisLingInstruct: Elevating Zero-Shot Learning in Multi-Modal Language Models with Autonomous Instruction Optimization (2024.naacl-long)

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Challenge: Current MMLMs show impressive zero-shot abilities in multi-modal tasks, but their performance depends heavily on the quality of instructions.
Approach: They propose a novel approach to advancing multi-modal language models in zero-shot learning by evaluating and optimizing instructional texts through In-Context Learning.
Outcome: The proposed approach improves zero-shot performance in multi-modal tasks by evaluating and optimizing instructional texts.

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