Papers by Zheng Qin

47 papers
Bridge Video and Text with Cascade Syntactic Structure (C18-1)

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Challenge: Using LSTM-CSS, we construct basic syntactic structure by completing syntastic structure.
Approach: They propose a video captioning approach that progressively completes syntactic structure by a conditional random field to construct basic syntaktic structure.
Outcome: The proposed method produces natural sentences with 42.3% and 28.5% accuracy compared to state-of-the-art methods.
HutCRS: Hierarchical User-Interest Tracking for Conversational Recommender System (2023.emnlp-main)

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Challenge: Existing CRSs assume that users like all attributes of the target item and dislike those unrelated to it, which can introduce bias in attribute-level feedback and impede the system’s ability to accurately identify the target items.
Approach: They propose a framework that allows users to explicitly acquire user preferences through natural language conversations by providing explicit answers (yes/no) for each attribute they require.
Outcome: The proposed framework portrays the conversation as a hierarchical interest tree that consists of two stages.
ReCo: Reliable Causal Chain Reasoning via Structural Causal Recurrent Neural Networks (2022.emnlp-main)

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Challenge: Causal chain reasoning models suffer from two main transitive problems: threshold effect and scene drift.
Approach: They propose a framework that uses exogenous variables to represent causal pairs and estimates the threshold and scene contradictions using structural causal recurrent neural networks.
Outcome: The proposed framework outperforms baselines on Chinese and English CCR datasets.
An Information Bottleneck Perspective for Effective Noise Filtering on Retrieval-Augmented Generation (2024.acl-long)

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Challenge: Experimental results show that retrieval-augmented generation improves accuracy and relevance of large language models.
Approach: They propose to introduce the information bottleneck theory into retrieval-augmented generation by maximizing mutual information between compression and ground output while minimizing mutual information .
Outcome: The proposed approach improves accuracy and correctness of answer generation and conciseness with 2.5% compression rate.
AnRe: Analogical Replay for Temporal Knowledge Graph Forecasting (2025.acl-long)

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Challenge: Temporal Knowledge Graphs (TKGs) are vital for event prediction, yet current methods face limitations.
Approach: They propose a training-free Analogical Replay reasoning framework that uses LLMs to extract historical contexts and generate analogical reasoning examples as contextual inputs.
Outcome: The proposed model outperforms existing training-free methods on four benchmarks.
Breaking Language Barriers: Cross-Lingual Continual Pre-Training at Scale (2024.emnlp-main)

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Challenge: Large Language Models (LLMs) have made significant strides towards Artificial General Intelligence, but training them from scratch is prohibitively expensive.
Approach: They propose to continuously pre-train LLMs from existing pre-trained LLM models by using a set of parameters instead of randomly initializing them.
Outcome: The proposed approach saves significant resources and accelerates convergence and performance.
Interactive Learning for LLM Reasoning (2026.findings-acl)

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Challenge: Existing multi-agent learning approaches foster collaboration among Large Language Models (LLMs) yet they still rely on re-executing the MAS during inference.
Approach: They propose a co-learning framework that integrates Dynamic Interaction and Perception Calibration to enhance LLMs' independent problem-solving ability.
Outcome: The proposed framework integrates Dynamic Interaction and Perception Calibration to improve LLMs' independent problem-solving ability.
Graph Reasoning Paradigm: Structured and Symbolic Reasoning with Topology-Aware Reinforcement Learning for Large Language Models (2026.acl-long)

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Challenge: Existing methods for long chain-of-thought (LCoT) are coarse-grained, reward hacking, and poor generalization.
Approach: They propose a Long Chain-of-Thought (LCoT) model that integrates reinforcement learning with verifiable rewards with a process-aware verification approach.
Outcome: The proposed model improves reasoning and code generation tasks while reducing the cost of training and performance bottlenecks.
Flooding-X: Improving BERT’s Resistance to Adversarial Attacks via Loss-Restricted Fine-Tuning (2022.acl-long)

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Challenge: Existing approaches to generating adversarial perturbations scale up the cost of training computational complexity by the number of gradient steps it takes to obtain the adversarials.
Approach: They propose a flood method which aims at better generalization and a criterion to bring hyper-parameter-dependent flooding into effect with a narrowed-down search space by measuring how the gradient steps taken within one epoch affect the loss of each batch.
Outcome: The proposed method improves BERT’s resistance to textual adversarial attacks by a large margin and achieves state-of-the-art robust accuracy on various text classification and GLUE tasks.
Self-chats from Large Language Models Make Small Emotional Support Chatbot Better (2024.acl-long)

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Challenge: Large Language Models (LLMs) have shown strong generalization abilities to excel in various tasks, including emotion support conversations.
Approach: They propose an iterative expansion framework to prompt large teacher model to curate an expansive emotion support dialogue dataset.
Outcome: The proposed model outperforms the teacher model in some cases . the proposed model is based on an iterative expansion framework and is available on github.com/pandazzh2020/ExTES.
From Implicit Graph Encoding to Explicit Evidence: A Training-Free LLM Framework for Temporal Knowledge Graph Reasoning (2026.findings-acl)

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Challenge: Existing Large Language Models (LLMs) struggle with implicit modality alignment and suboptimal graph linearization.
Approach: They propose a training-free, test-time adaptive framework that reframes TKG prediction as explicit evidence-driven reasoning.
Outcome: ExE-LLM outperforms fully trained graph neural networks on four benchmarks . it achieves SOTA performance in inductive settings, significantly outperforming fully trained neural networks .
PRGC: Potential Relation and Global Correspondence Based Joint Relational Triple Extraction (2021.acl-long)

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Challenge: Recent methods for extracting entities and relations from unstructured texts suffer from limitations, such as redundancy of relation prediction and inefficiency.
Approach: They propose a joint relational triple extraction framework based on Potential Relation and Global Correspondence (PRGC) they propose overlapping triples for relation prediction and relation-relational alignment .
Outcome: The proposed framework achieves state-of-the-art performance on public benchmarks with higher efficiency and consistent performance gain on complex scenarios of overlapping triples.
Rethinking the Roles of Large Language Models in Chinese Grammatical Error Correction (2025.acl-industry)

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Challenge: Recent studies have shown that Large Language Models’ performance as correctors on Chinese Grammatical Error Correction (CGEC) remains unsatisfactory due to the challenging nature of the task.
Approach: They propose a training framework EXAM that uses LLMs as explainers to enhance CGEC small models and a novel evaluation method SEE that utilizes LLM as evaluators to bring more reasonable evaluations.
Outcome: The proposed methods improve the performance of LLMs on Chinese Grammatical Error Correction (CGEC) task.
Synchronized Video Storytelling: Generating Video Narrations with Structured Storyline (2024.acl-long)

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Challenge: Existing studies on dense video captioning and video story generation have made some progress, but in practical applications, we typically require synchronized narrations for ongoing visual scenes.
Approach: They propose a task of Synchronized Video Storytelling to generate synchronized narrations for videos using a benchmark dataset with rich annotations.
Outcome: The proposed framework can generate narrations with the guidance of the generated or predefined storyline and human evaluations validate the effectiveness.
AIGuard: A Benchmark and Lightweight Detection for E-commerce AIGC Risks (2025.findings-acl)

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Challenge: Existing detection methods lack real-world scenarios and corresponding risk datasets . current MLLMs lack knowledge and have limited capability to detect the risk of AIGC content.
Approach: They propose a benchmark for AIGC risk detection in real-world e-commerce . it includes 253,420 image-text pairs across four critical categories .
Outcome: The proposed method achieves 9.68% higher recall than leading multimodal models while using only 25% of training resources.
HyCoRec: Hypergraph-Enhanced Multi-Preference Learning for Alleviating Matthew Effect in Conversational Recommendation (2024.acl-long)

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Challenge: Existing methods to study the Matthew effect in Recommender Systems (RSs) however, it is amplified when the user interacts with the system over time.
Approach: They propose a paradigm to alleviate the Matthew effect in conversational recommendation by learning multi-aspect preferences.
Outcome: The proposed paradigm achieves state-of-the-art performance and superior of alleviating Matthew effect in conversational recommendation tasks.
PlugAT: A Plug and Play Module to Defend against Textual Adversarial Attack (2022.coling-1)

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Challenge: Recent studies have shown that adversarial examples can be easily fooled by adversarially perturbed examples.
Approach: They propose a pluggable defense module PlugAT to provide robust predictions by adding a few trainable parameters to the model inputs while keeping the original model frozen.
Outcome: The proposed model improves robustness over several strong baselines whilst training only 9.1% parameters.
Detecting Adversarial Samples through Sharpness of Loss Landscape (2023.findings-acl)

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Challenge: Existing studies have shown that adversarial samples are more vulnerable than normal ones to textual adversarials.
Approach: They propose a simple and effective sharpness-based detector that can distinguish adversarial samples by maximizing the loss increment within the region where the inference sample is located.
Outcome: The proposed method outperforms previous detection methods by large margins on three text classification tasks.
MASPO: Unifying Gradient Utilization, Probability Mass, and Signal Reliability for Robust and Sample-Efficient LLM Reasoning (2026.acl-long)

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Challenge: Existing RLVR algorithms rely on rigid, uniform, and symmetric trust region mechanisms . current algorithms lack robustness, asymmetric signal reliability and inefficient gradient utilization .
Approach: They propose a framework to harmonize three dimensions of RLVR algorithms, a paper argues . a binary cutoff is used to discard valuable reinforcement signals, they argue .
Outcome: The proposed framework outperforms baselines in evaluating a robust RLVR solution.
FlagEvalMM: A Flexible Framework for Comprehensive Multimodal Model Evaluation (2025.acl-demo)

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Challenge: FlagEvalMM is an evaluation framework designed to assess multimodal models . it is designed to be used for vision-language understanding and generation tasks .
Approach: They propose an evaluation framework that decouples model inference from evaluation through an independent evaluation service.
Outcome: The evaluation framework offers accurate and efficient insights into model strengths and limitations.
From log 𝜋 to 𝜋: Taming Divergence in Soft Clipping via Bilateral Decoupled Decay of Probability Gradient Weight (2026.acl-long)

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Challenge: Standard algorithms for Large Language Models (LLMs) enforce stability via "hard clipping" but relying on log-probability gradient yields divergent weights as probabilities vanish, destabilizing LLM training.
Approach: They propose a decoupled gradient policy optimization that uses a decay mechanism to decouple the probability of a boundary token.
Outcome: The proposed algorithm outperforms baselines on various mathematical benchmarks.
Towards Benchmarking Situational Awareness of Large Language Models:Comprehensive Benchmark, Evaluation and Analysis (2024.findings-emnlp)

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Challenge: Situational awareness is crucial for decision-making, anticipating potential issues, and adapting to dynamic circumstances.
Approach: They propose a benchmark that covers three tiers of situational awareness capabilities . they conduct extensive experiments on advanced LLMs including GPT-4, LLaMA3, Qwen1.5 .
Outcome: The proposed benchmark covers environment perception, situation comprehension and future projection.
ChatMusician: Understanding and Generating Music Intrinsically with LLM (2024.findings-acl)

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Challenge: Despite LLMs' impressive capabilities in musical knowledge, music reasoning remains an unsolved task.
Approach: They propose an open-source large language model (LLM) that integrates intrinsic musical abilities into LLaMA2 and GPT-3.5.
Outcome: The proposed model can understand and generate music with a pure text tokenizer without external multi-modal neural structures or tokenizers.
Characterizing the Impacts of Instances on Robustness (2023.findings-acl)

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Challenge: Existing defense approaches focus on developing new model structures or training algorithms, but they do little to tap the potential of training instances.
Approach: They propose a method that can distinguish between robust and non-robust instances according to the model’s sensitivity to perturbations on individual instances during training.
Outcome: The proposed method can distinguish between robust and non-robust instances according to the model’s sensitivity to perturbations on individual instances during training.
AutoSchemaKG: Autonomous Knowledge Graph Construction through Dynamic Schema Induction from Web-Scale Corpora (2026.acl-long)

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Challenge: Existing knowledge graph construction frameworks require predefined schemas, limiting their scalability and domain coverage.
Approach: They propose a framework for fully autonomous knowledge graph construction that eliminates the need for predefined schemas.
Outcome: The proposed framework outperforms state-of-the-art models on multi-hop QA tasks and enhances LLM factuality.
Towards Identification and Intervention of Safety-Critical Parameters in Large Language Models (2026.findings-acl)

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Challenge: Existing safety-related methodologies for large language models are lacking . despite advances in safety alignment techniques, safeguarding LLMs during adaptation to various tasks remains a challenge.
Approach: They propose a framework to quantify how different parameters affect LLM safety . they propose two targeted intervention paradigms for safety enhancement and preservation .
Outcome: The proposed framework reveals safety-critical patterns across different LLM architectures.
An AMR Aligner Tuned by Transition-based Parser (D18-1)

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Challenge: Experimental results show that our AMR aligner outperforms the rule-based aligner by achieving higher alignment F1 score and consistently improving two open-source AMR parsers.
Approach: They propose a rich resource enhanced AMR aligner which produces multiple alignments and a new transition system for AMR parsing along with its oracle parser.
Outcome: The proposed AMR aligner outperforms the current state-of-the-art parser by achieving higher alignment F1 score and consistently improving two open-source AMR parsers.
Breaking the Reasoning Barrier A Survey on LLM Complex Reasoning through the Lens of Self-Evolution (2025.findings-acl)

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Challenge: OpenAI's O1 and subsequent projects like DeepSeek R1 have significantly advanced research on complex reasoning in LLMs.
Approach: They analyze existing reasoning studies from the perspective of self-evolution and summarize O1-like works from open-source projects like DeepSeek R1 and Kimi-k1.5.
Outcome: The proposed models are based on open-source models and pioneer advanced methodologies like Scaling Reinforcement Learning (RL).
Molweni: A Challenge Multiparty Dialogues-based Machine Reading Comprehension Dataset with Discourse Structure (2020.coling-main)

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Challenge: Multiparty dialog applications such as discourse parsing and meeting summarization are now mainstream research.
Approach: They propose to annotate a machine reading comprehension dataset with discourse structure built over multiparty dialog using a modified Segmented Discourse Representation Theory (SDRT) style.
Outcome: The proposed dataset contributes large-scale discourse dependency annotations in a modified Segmented Discourse Representation Theory (SDRT) style for all of its multiparty dialogs, and achieves only 67.7% F1 on Molweni’s questions, a 20+% significant drop as compared against its SQuAD 2.0 performance.
FlagEval-Arena: A Side-by-Side Comparative Evaluation Platform for Large Language Models and Text-Driven AIGC (2025.acl-demo)

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Challenge: a new evaluation platform for large language models and text-driven AIGCs is available for free.
Approach: They propose an evaluation platform for side-by-side comparisons of large language models and text-driven AIGC systems.
Outcome: a new evaluation platform for large language models and text-driven AIGC systems is available for free . the platform is more focused on the Chinese language and more models developed by Chinese institutes .
Self-Critique Guided Iterative Reasoning for Multi-hop Question Answering (2025.findings-acl)

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Challenge: Large language models (LLMs) have demonstrated remarkable reasoning capabilities, but they still face challenges in knowledge-intensive multi-hop reasoning.
Approach: They propose a method that uses self-critique feedback to guide iterative reasoning by enabling iteration and self-evaluation of its intermediate reasoning steps.
Outcome: The proposed method surpasses the previous SOTA by 8.6% on three multi-hop reasoning datasets.
GRADE: Automatic Graph-Enhanced Coherence Metric for Evaluating Open-Domain Dialogue Systems (2020.emnlp-main)

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Challenge: Existing evaluation metrics only consider surface features or utterance-level semantics, without explicitly considering the fine-grained topic transition dynamics of dialogue flows.
Approach: They propose a graph-enhanced evaluation metric GRADE to evaluate dialogue coherence . GRADE incorporates utterance-level contextualized representations and fine-grained topic-level graph representations to improve communication logic.
Outcome: The proposed evaluation metric outperforms state-of-the-art metrics on measuring diverse dialogue models in terms of Pearson and Spearman correlations with human judgments.
CL2GEC: A Multi-Discipline Benchmark for Continual Learning in Chinese Literature Grammatical Error Correction (2026.acl-long)

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Challenge: Existing CGEC benchmarks for multi-disciplinary writing are limited . continual learning (CL) is a promising solution to handle domain-specific linguistic variation and prevent catastrophic forgetting.
Approach: They propose a Chinese Literature Continual Learning benchmark to evaluate adaptive CGEC across disciplines.
Outcome: The proposed benchmark includes 10,000 human-annotated sentences spanning 10 disciplines, each exhibiting distinct linguistic styles and error patterns.
TimeBench: A Comprehensive Evaluation of Temporal Reasoning Abilities in Large Language Models (2024.acl-long)

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Challenge: Grasping the concept of time is a fundamental facet of human cognition.
Approach: They propose a hierarchical temporal reasoning benchmark that covers a broad spectrum of temporal phenomena.
Outcome: The proposed benchmark shows that state-of-the-art LLMs are still far behind humans in temporal reasoning .
Navigate through Enigmatic Labyrinth A Survey of Chain of Thought Reasoning: Advances, Frontiers and Future (2024.acl-long)

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Challenge: Recent studies have revealed that chain-of-thought prompting significantly enhances LLM’s reasoning capabilities, which attracts widespread attention from both academics and industry.
Approach: They propose to summarize advanced methods through a taxonomy that offers novel perspectives.
Outcome: The proposed method delineates the challenges and future directions, thereby shedding light on future research.
Massive End-to-end Speech Recognition Models with Time Reduction (2024.naacl-long)

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Challenge: Using the neural architecture of Google’s universal speech model, we reduce the frame rate and speed up training and inference.
Approach: They propose to use the neural architecture of Google’s universal speech model with additional funnel pooling layers to significantly reduce the frame rate and speed up training and inference.
Outcome: The proposed methods work with both connectionist temporal classification (CTC) and RNN-Transducer (RNN-T) and over two domains.
Towards Faithful Multi-step Reasoning through Fine-Grained Causal-aware Attribution Reasoning Distillation (2025.coling-main)

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Challenge: Recent advances have witnessed large language models (LLMs) achieving significant milestones across various domains of natural language processing.
Approach: They introduce fine-grained attribution reasoning distillation (FARD) which incorporates grounded citations to consolidate the relationships between reasoning steps.
Outcome: The proposed method outperforms CoT distillation methods on mathematical and general reasoning benchmarks.
LLMBox: A Comprehensive Library for Large Language Models (2024.acl-demos)

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Challenge: a library to facilitate the development, use, and evaluation of large language models (LLMs) is presented.
Approach: They propose a unified library to facilitate the development, use and evaluation of large language models (LLMs).
Outcome: The proposed library is based on extensive experiments in a variety of evaluation settings.
Decompose, Prioritize, and Eliminate: Dynamically Integrating Diverse Representations for Multimodal Named Entity Recognition (2024.lrec-main)

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Challenge: Existing research on multi-modal Named Entity Recognition (MNER) does not integrate all multi-modal representations to provide rich contextual information to improve NER.
Approach: They propose an iterative reasoning framework that integrates all the diverse multi-modal representations following the strategy of "decompose, prioritize, and eliminate" . they propose to use hierarchically connected fusion layers to prioritize transitions from "easy-to-hard" and "coarse-to fine"
Outcome: The proposed framework integrates all the diverse multi-modal representations following the strategy of "decompose, prioritize, and eliminate".
Large Language Models as Foundations for Next-Gen Dense Retrieval: A Comprehensive Empirical Assessment (2024.emnlp-main)

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Challenge: Pre-trained language models have limited generalization capabilities and performance challenges.
Approach: They evaluate 15 different backbone LLMs and non-LLMs to evaluate their performance . larger models and extensive pre-training consistently enhance in-domain accuracy and data efficiency .
Outcome: The results show that larger models and extensive pre-training enhance in-domain accuracy and data efficiency.
BeamAggR: Beam Aggregation Reasoning over Multi-source Knowledge for Multi-hop Question Answering (2024.acl-long)

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Challenge: Large language models (LLMs) have demonstrated strong reasoning capabilities, but they still suffer from factual errors when tackling knowledge-intensive tasks.
Approach: They propose a reasoning framework for knowledge-intensive multi-hop QA that prioritizes promising answers at each hop of question.
Outcome: The proposed framework outperforms SOTA methods on four open-domain multi-hop reasoning datasets by 8.5%.
Investigating and Enhancing the Robustness of Large Multimodal Models Against Temporal Inconsistency (2025.acl-long)

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Challenge: Large Multimodal Models (LMMs) have demonstrated impressive performance on general video comprehension benchmarks, but their robustness needs to be thoroughly investigated for broader applications.
Approach: They propose a temporal robustness benchmark which introduces temporal inconsistency perturbations separately at the visual and textual modalities to assess the robustness of models.
Outcome: The proposed method improves the model’s robustness and reliability in temporal analysis.
VC4VG: Optimizing Video Captions for Text-to-Video Generation (2025.emnlp-main)

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Challenge: Recent advances in text-to-video generation highlight the critical role of high-quality video-text pairs in training models capable of producing coherent and instruction-aligned videos.
Approach: They propose a caption optimization framework tailored to the needs of T2V models.
Outcome: The proposed framework improves video caption quality and video generation performance.
Reinforced Query Reasoners for Reasoning-intensive Retrieval Tasks (2025.emnlp-main)

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Challenge: Existing methods for retrieval of information excel at textual and semantic matching but struggle in reasoning-intensive retrieval tasks.
Approach: They propose a family of small-scale language models for query reasoning and rewriting in reasoning-intensive retrieval.
Outcome: The proposed model outperforms existing models on a BRIGHT benchmark with BM25 retrievers.
TextFlint: Unified Multilingual Robustness Evaluation Toolkit for Natural Language Processing (2021.acl-demo)

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Challenge: Existing approaches to textual robustness evaluation focus on slightly modifying the input data, which maintains the original meaning and results in a different prediction.
Approach: They propose a multilingual robustness evaluation toolkit for NLP that integrates universal text transformations, task-specific transformations and adversarial attack.
Outcome: The toolkit includes universal text transformation, task-specific transformation, adversarial attack, subpopulation, and their combinations to provide comprehensive robustness analyses.
Prompt Combines Paraphrase: Teaching Pre-trained Models to Understand Rare Biomedical Words (2022.coling-1)

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Challenge: Pre-trained models perform poorly with limited data and rare biomedical words.
Approach: They propose to use prompt to fine-tune pre-trained models for biomedical domain tuning with a simple approach.
Outcome: The proposed method achieves up to 6% improvement in biomedical natural language inference task without any extra parameters or training steps using few-shot vanilla prompt settings.
MTGER: Multi-view Temporal Graph Enhanced Temporal Reasoning over Time-Involved Document (2023.findings-emnlp)

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Challenge: Existing work models time implicitly, making it difficult to handle complex relationships . a novel temporal reasoning framework explicitly models the temporal relationships among facts by multi-view temporal graphs .
Approach: They propose a multi-view temporal graph-based temporal reasoning framework that explicitly models the temporal relationships among facts by multi-visit temporal charts.
Outcome: The proposed framework gives more consistent answers under question perturbations.

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