Papers by Chong Feng

24 papers
Simulating Crisis Cognition: A Computational Framework for Hypothesis Generation in Crisis Communication (2026.findings-acl)

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Challenge: Large Language Models (LLMs) have demonstrated remarkable fidelity in simulating social dynamics, yet using them to inform high-stakes crisis policy requires rigorous causal evaluation.
Approach: They propose a framework that functions as an in-silico hypothesis generator to evaluate communication strategies by coupling real-world telemetry with 1,813 agents.
Outcome: The proposed framework provides a rigorous testbed for evaluating strategies before human-subject trials.
TS-Align: A Teacher-Student Collaborative Framework for Scalable Iterative Finetuning of Large Language Models (2024.findings-emnlp)

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Challenge: Mainstream approaches to aligning large language models heavily rely on human preference data.
Approach: They propose a framework that fine-tunes a policy model using pairwise feedback data automatically mined from its outputs.
Outcome: The proposed framework outperforms the base model with an average win rate of 69.7% across seven conversational or instruction-following datasets.
Decoding Matters: Addressing Amplification Bias and Homogeneity Issue in Recommendations for Large Language Models (2024.emnlp-main)

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Challenge: Existing approaches to adapt Large Language Models (LLMs) for recommendation encounter significant challenges such as amplification bias and homogeneity.
Approach: They propose a new decoding approach called Debiasing-Diversifying Decoding (D3) that disables length normalization for ghost tokens to alleviate amplification bias and incorporates a text-free assistant model to encourage tokens less frequently generated by LLMs for counteracting recommendation homogeneity.
Outcome: Extensive experiments on real-world datasets demonstrate the proposed approach’s effectiveness in enhancing accuracy and diversity.
MMRC: A Large-Scale Benchmark for Understanding Multimodal Large Language Model in Real-World Conversation (2025.acl-long)

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Challenge: Existing multimodal large language models lack the ability to memorize, recall, and reason in sustained interactions.
Approach: They propose a multimodal real-world conversation benchmark for evaluating open-ended abilities of multimodal large language models.
Outcome: The proposed benchmarks show that the models perform better in open-ended conversations.
A Context-based Framework for Modeling the Role and Function of On-line Resource Citations in Scientific Literature (D19-1)

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Challenge: Existing academic search engines cannot detect relevant papers where a resource is mentioned.
Approach: They propose a framework to model the role and function of on-line resource citations . they construct a dataset SciRes, which includes 3,088 manually annotated resource contexts based on a multi-task framework .
Outcome: The proposed model achieves the best results on both the classification task and recommendation task.
Equipping Retrieval-Augmented Large Language Models with Document Structure Awareness (2025.findings-emnlp)

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Challenge: Existing approaches to retrieval-augmented generation ignore valuable structure that is crucial for document organization.
Approach: They propose a framework that explicitly incorporates structural information throughout the RAG process.
Outcome: The proposed framework incorporates structural information throughout the RAG process.
Benchmarking LLMs and LLM-based Agents in Practical Vulnerability Detection for Code Repositories (2025.acl-long)

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Challenge: Large Language Models (LLMs) have shown promise in software vulnerability detection, especially on function-level benchmarks like Devign and BigVul.
Approach: They propose a JIT vulnerability detection benchmark linking each function to its vulnerability-introducing and fixing commits.
Outcome: The proposed JIT vulnerability detection benchmark enables comprehensive evaluation of detection capabilities.
PRIM: Towards Practical In-Image Multilingual Machine Translation (2025.emnlp-main)

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Challenge: Current research on in-image machine translation focuses on synthetic data with simple background, single font, fixed text position, and bilingual translation.
Approach: They propose an end-to-end model to handle the challenge of practical conditions in PRIM . they annotate a real-world one-line text image with complex background, fonts, diverse text positions .
Outcome: The proposed model improves translation quality and visual effect compared to other models.
DocMEdit: Towards Document-Level Model Editing (2025.findings-acl)

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Challenge: Existing models only output short phrases or sentences, raising doubts about their practical usability.
Approach: They propose a dataset focused on document-level model editing that aims to correct errors and outdated knowledge in Large language models (LLMs) they propose to use document-based model editing to improve model capabilities in real-world scenarios.
Outcome: The proposed model editing task improves model capabilities in real-world scenarios and reduces the cost of retraining.
Think Better, Not Longer: Token-Level Marginal Utility for Efficient Reasoning in Large Reasoning Models (2026.acl-long)

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Challenge: Large reasoning models (LRMs) generate explicit Chain-of-Thought rationales, but often suffer from "overthinking".
Approach: They propose a unified training framework to synthesize concise reasoning chains by identifying tokens that reduce the model’s likelihood of the correct answer.
Outcome: Experiments on deepSeek-R1-Distill-Qwen backbones show that MUTO yields better efficiency-accuracy Pareto frontier.
RAAMove: A Corpus for Analyzing Moves in Research Article Abstracts (2024.lrec-main)

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Challenge: RAAMove is a comprehensive multi-domain corpus dedicated to the annotation of move structures in Research Article (RA) abstracts.
Approach: They propose a multi-domain corpus dedicated to the annotation of move structures in RA abstracts.
Outcome: The proposed corpus is based on a human-annotated dataset and a BERT-based model to verify its effectiveness.
Pardon? Evaluating Conversational Repair in Large Audio-Language Models (2026.findings-acl)

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Challenge: Existing evaluations of large audio-language models focus on answer accuracy and robustness to acoustic perturbations, but they assume that inputs remain semantically answerable.
Approach: They propose a repair-aware evaluation setting that explicitly distinguishes between answerable and unanswerable audio inputs.
Outcome: The proposed evaluation setting distinguishes between answerable and unanswerable audio inputs.
Enlivening Redundant Heads in Multi-head Self-attention for Machine Translation (2021.emnlp-main)

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Challenge: Existing methods to improve multi-head self-attention are lacking in many languages.
Approach: They propose a redundant head enlivening method to identify redundant heads and vitalize their potential by learning syntactic relations and prior knowledge in the text.
Outcome: The proposed method can identify and vitalize redundant heads without sacrificing the roles of important heads.
Fundamental Capabilities of Large Language Models and their Applications in Domain Scenarios: A Survey (2024.acl-long)

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Challenge: Existing benchmark-based evaluations cannot accurately reflect the performance of real-world applications.
Approach: They propose a reliable strategy for domains to choose more robust LLMs for real-world applications.
Outcome: The proposed strategy addresses the challenges faced by domains to choose more robust LLMs for real-world applications.
Mitigating Hallucination in Large Vision-Language Models through Aligning Attention Distribution to Information Flow (2025.findings-emnlp)

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Challenge: Decode-Only models propagate information from left to right, but the model's attention still focuses on the visual representations, resulting in hallucinations.
Approach: They propose to leverage the core information embedded in semantic representations to enhance the model's visual understanding by leveraging the attention distributions.
Outcome: The proposed method reduces hallucinations by 80% by aligning the attention distribution with the actual information flow.
Enhancing Recommendation Explanations through User-Centric Refinement (2025.findings-emnlp)

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Challenge: Existing explanations for user reviews often fail to meet user-centric aspects, reducing their usefulness to users.
Approach: They propose a paradigm that refines initial explanations generated by existing models during the inference stage to enhance their quality in multiple aspects.
Outcome: The proposed model improves explanations generated by existing models during the inference stage to enhance their quality in multiple aspects.
TVQACML: Benchmarking Text-Centric Visual Question Answering in Multilingual Chinese Minority Languages (2025.emnlp-main)

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Challenge: Existing TEC-VQA benchmarks focus on high-resource languages like English and Chinese . existing benchmarks have a "visual-textual misalignment" problem resulting in unreliable evaluation results .
Approach: They propose a benchmark that expands multilingual QA pairs in non-text-centric datasets through translation to eight languages, including Standard Chinese, Korean, and six minority languages.
Outcome: The proposed benchmarks are contamination-free and more challenging . they include eight languages including Chinese, Korean, and six minority languages .
Uncertainty-Calibrated Elastic Alignment for Multimodal Sentiment Analysis with Missing Modalities (2026.findings-acl)

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Challenge: Existing methods for multimodal sentiment analysis are often dynamically incomplete.
Approach: They propose a new uncertainty-calibrated elastic alignment framework to address these issues by employing probabilistic imputation to capture cross-modal ambiguity and leverage the estimated uncertainty to drive elastic alignment.
Outcome: The proposed framework outperforms state-of-the-art models in multiple benchmarks and consistently outperformed existing models.
Boosting Event Extraction with Denoised Structure-to-Text Augmentation (2023.findings-acl)

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Challenge: Existing methods for event extraction neglect grammatical incorrectness, structure misalignment, and semantic drifting . et al., 2004; Ahn, 2006) show that the proposed method generates more diverse text representations for event extracting compared with the state-of-the-art.
Approach: They propose a framework for event extraction that generates additional training data and iteratively selects the effective subset from the generated training data.
Outcome: The proposed method generates more diverse representations of training data and achieves comparable results with the state-of-the-art.
VEEF-Multi-LLM: Effective Vocabulary Expansion and Parameter Efficient Finetuning Towards Multilingual Large Language Models (2025.coling-main)

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Challenge: Large Language Models (LLMs) have a significant disadvantage for low-resource languages . VEEF-Multi-LLM-8B excels in multilingual instruction-following tasks .
Approach: They propose a low-resource multilingual large language model that expands the vocabulary for multilingual support.
Outcome: The proposed model outperforms existing models in multilingual instruction-following tasks, but lags behind English-centric models in some tasks.
Genre Separation Network with Adversarial Training for Cross-genre Relation Extraction (D18-1)

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Challenge: Existing methods to extract genre-specific and genre-agnostic features require great human effort.
Approach: They propose to use two encoders to explicitly extract genre-specific and genre-agnostic features.
Outcome: The proposed approach outperforms the state-of-the-art by 1.7% on three distinct genres.
QRMeM: Unleash the Length Limitation through Question then Reflection Memory Mechanism (2024.findings-emnlp)

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Challenge: Existing methods for processing large textual content face insufficient adaptation to task-specific needs and missing multi-segmentation relationships.
Approach: They propose a question then reflection memory mechanism which integrates a dual-structured memory pool and a structured graph guidance to facilitate a reflective trial-and-error approach for navigating and identifying relevant segments.
Outcome: The proposed model achieves superior performance on multiple-choice questions and multi-doc QA.
Bi-Tuning with Collaborative Information for Controllable LLM-based Sequential Recommendation (2025.acl-long)

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Challenge: Existing approaches to optimize sequential recommendation systems rely on item ID sequences, but they lack collaborative knowledge and limited controllability.
Approach: They propose a simple bi-tuning framework with collaborative information for controllable Large Language Model-based Sequential Recommendation (Laser) they incorporate learnable virtual tokens at prefix and suffix of input text to adapt LLMs with collaborative knowledge .
Outcome: The proposed framework outperforms state-of-the-art recommendations on real-world datasets.
Mitigating the Discrepancy Between Video and Text Temporal Sequences: A Time-Perception Enhanced Video Grounding method for LLM (2025.coling-main)

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Challenge: Existing video LLMs excel at capturing the overall description of a video but lack the ability to demonstrate an understanding of temporal dynamics and localized content within the video.
Approach: They propose a Time-Perception Enhanced Video Grounding via Boundary Perception and Temporal Reasoning to improve LLMs' understanding of video temporality.
Outcome: The proposed method improves on three datasets: ActivityNet, Charades, and DiDeMo (up to 11.2% improvement on R@0.3).

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