Papers by Yinghui Li

29 papers
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.
GCNet: Global-and-Context Collaborative Learning for Aspect-Based Sentiment Analysis (2024.lrec-main)

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Challenge: Existing methods for analyzing aspect terms are focused on extracting semantic information inherent within the sentence.
Approach: They propose a GCNet that explicitly leverages global semantic information to guide context encoding.
Outcome: The proposed model outperforms state-of-the-art methods on three public datasets.
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.
Towards Real-World Writing Assistance: A Chinese Character Checking Benchmark with Faked and Misspelled Characters (2024.acl-long)

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Challenge: Existing studies focus on misspelled characters, ignoring faked characters which are more common and difficult to correct.
Approach: They propose to use Chinese character checking to identify and correct wrong characters in texts by human annotation.
Outcome: The proposed dataset is the first real-world visual and the largest human-crafted dataset for the Chinese character checking scenario.
Revisiting and Advancing Chinese Natural Language Understanding with Accelerated Heterogeneous Knowledge Pre-training (2022.emnlp-industry)

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Challenge: Existing knowledge-enhanced pre-trained language models (KEPLMs) can capture internal knowledge, but can't understand external background knowledge.
Approach: They propose to use Chinese knowledge-enhanced pre-trained language models to improve context-aware representations via learning from structured relations in knowledge bases.
Outcome: Experiments show that Chinese knowledge-enhanced pre-trained language models outperform strong baselines over various benchmark NLP tasks and in different model sizes.
CLEME: Debiasing Multi-reference Evaluation for Grammatical Error Correction (2023.emnlp-main)

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Challenge: Evaluating the performance of Grammatical Error Correction systems is a challenging task due to its subjectivity.
Approach: They propose a method to evaluate GEC systems in multi-reference evaluation setting . they use consistent edit boundaries to eliminate bias caused by inconsistent edit boundaries .
Outcome: The proposed evaluation metric eliminates bias caused by inconsistent edit boundaries on six English reference sets.
Beyond Chunking: Discourse-Aware Hierarchical Retrieval for Long Document Question Answering (2026.acl-long)

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Challenge: Existing long document question answering systems process texts as flat sequences or use heuristic chunking, which overlooks the discourse structures that guide human comprehension.
Approach: They propose a discourse-aware hierarchical framework that leverages rhetorical structure theory for long document question answering.
Outcome: The proposed framework exhibits strong robustness across diverse document types and linguistic settings.
A Survey of RAG-Reasoning Systems in Large Language Models (2025.findings-emnlp)

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Challenge: a survey of RAG-based reasoning-based approaches shows that it is not effective for multi-step inferences.
Approach: They map how advanced reasoning optimizes each stage of RAG . they show how retrieved knowledge supply missing premises and expand context for complex inference .
Outcome: The proposed frameworks achieve state-of-the-art across knowledge-intensive benchmarks.
A Frustratingly Easy Plug-and-Play Detection-and-Reasoning Module for Chinese Spelling Check (2023.findings-emnlp)

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Challenge: Recent years, Chinese Spelling Check (CSC) has been greatly improved by designing task-specific pre-training methods or introducing auxiliary tasks.
Approach: They propose to decompose Chinese Spelling Check into detection, reasoning, and searching subtasks and to train a module that is compatible with existing CSC models.
Outcome: The proposed module can be trained for one model and benefit other models.
Teaching According to Talents! Instruction Tuning LLMs with Competence-Aware Curriculum Learning (2025.findings-emnlp)

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Challenge: Efficient instruction tuning aims to enhance the ultimate performance of large language models (LLMs) current methods suffer from the curriculum rigidity, resulting in a fixed and potentially sub-optimal learning trajectory.
Approach: a framework for efficient instruction tuning is proposed to address the issue of curriculum rigidity . current methods rely on static heuristic difficulty metrics and fail to adapt to evolving capabilities .
Outcome: Efficient instruction tuning aims to enhance the ultimate performance of large language models . current methods suffer from the curriculum rigidity, resulting in a fixed learning trajectory .
MKT: A Multi-Stage Knowledge Transfer Framework to Mitigate Catastrophic Forgetting in Multi-Domain Chinese Spelling Correction (2025.emnlp-industry)

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Challenge: Chinese Spelling Correction (CSC) is a model that detects and corrects spelling errors in given sentences.
Approach: They propose a model-agnostic model with an evolving teacher model and dynamic distillation weights for knowledge transfer in each domain rather than focusing solely on new domain knowledge.
Outcome: The proposed model-agnostic framework is based on an evolving teacher model and dynamic distillation weights for knowledge transfer in each domain, rather than focusing solely on new domain knowledge.
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.
Source-free Domain Adaptation for Aspect-based Sentiment Analysis (2024.lrec-main)

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Challenge: Unsupervised Domain Adaptation (UDA) of the Aspect-based Sentiment Analysis task is a data mining technique that involves aspect extraction and aspect sentiment classification subtasks.
Approach: They propose a framework that allows model parameter transfer, not data transfer, between different domains.
Outcome: The proposed framework performs competitively with traditional unsupervised domain adaptation methods under privacy conditions.
ChemAmp: Amplified Chemistry Tools via Composable Agents (2026.findings-acl)

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Challenge: LLM-based agents are powerful tools for automating complex scientific workflows, especially in chemistry, but their single-task performance is limited by tool constraints.
Approach: They propose a framework that optimizes the collective capabilities of specialized tools by dynamic coordination within individual tasks.
Outcome: The proposed framework outperforms chemistry-specialized models, generalist LLMs, and agent systems with tool orchestration.
ProductAgent: Benchmarking Conversational Product Search Agent with Asking Clarification Questions (2025.emnlp-industry)

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Challenge: Recent advances in conversational information seeking (CIS) suggest a remedy for the lack of interactive clarification when people face unfamiliar domains.
Approach: They propose a fully autonomous conversational information-seeking agent that couples large language models with a set of domain-specific tools to provide product demand clarification.
Outcome: The proposed agent can iterate over 2,000 automatically generated sessions and score high on real-world evaluations without human annotation.
Linguistic Rules-Based Corpus Generation for Native Chinese Grammatical Error Correction (2022.findings-emnlp)

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Challenge: Chinese Grammatical Error Correction (CGEC) is a challenging NLP task and a common application in human daily life.
Approach: They propose a linguistic rules-based approach to construct large-scale CGEC training corpora with automatically generated grammatical errors.
Outcome: The proposed method improves performance of existing CGEC models and the benchmark is excellent resource for further development.
MixEdit: Revisiting Data Augmentation and Beyond for Grammatical Error Correction (2023.findings-emnlp)

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Challenge: Various data augmentation strategies have been proposed to improve GEC models . high-quality parallel data for GEC is not as widely available .
Approach: They propose a data augmentation approach that strategically augments real data by generating pseudo data.
Outcome: The proposed approach significantly improves GEC models on English and Chinese datasets.
Express What You See: Can Multimodal LLMs Decode Visual Ciphers with Intuitive Semiosis Comprehension? (2025.findings-acl)

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Challenge: Traditional VQA benchmarks encounter a modality gap and over-reliance on language priors, whereas human cognition excels at intuitive semiosis, associating abstract visual symbols to linguistic semantics.
Approach: They propose a task of generating abstract linguistics from emoji sequence images, where such reasoning underpins critical applications in cryptography.
Outcome: The proposed model can generate abstract linguistics from emoji sequence images, challenging MLLMs’ reasoning of decoding complex semantics of visual ciphers.
Learning from the Dictionary: Heterogeneous Knowledge Guided Fine-tuning for Chinese Spell Checking (2022.findings-emnlp)

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Challenge: Chinese Spell Checking (CSC) aims to detect and correct Chinese spelling errors.
Approach: They propose a framework which renders Chinese Spell Checking model to learn heterogeneous knowledge from the dictionary in terms of phonetics, vision, and meaning.
Outcome: The proposed framework renders the CSC model to learn heterogeneous knowledge from the dictionary in terms of phonetics, vision, and meaning.
Let LLMs Take on the Latest Challenges! A Chinese Dynamic Question Answering Benchmark (2025.coling-main)

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Challenge: Recent work has noted that due to the extremely high cost of iterative updates of LLMs, they are often unable to answer dynamic questions well.
Approach: They propose a Chinese Dynamic QA benchmark containing question-answer pairs related to the latest dynamic questions on the Chinese Internet.
Outcome: The proposed benchmark will be one of the key data resources for improving LLMs’ Chinese question-answering ability in the future.
DAST: Context-Aware Compression in LLMs via Dynamic Allocation of Soft Tokens (2025.findings-acl)

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Challenge: Existing semantic vector-based compression methods do not account for the intrinsic information density variations between context chunks, instead allocating soft tokens uniformly across context chunk.
Approach: They propose a method that leverages the LLM's intrinsic understanding of contextual relevance to guide compression.
Outcome: The proposed method surpasses state-of-the-art methods on long context tasks.
OpenCoder: The Open Cookbook for Top-Tier Code Large Language Models (2025.acl-long)

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Challenge: Code LLMs lack reproducible data pipelines and training protocols for reproducible advancements in code intelligence.
Approach: They propose a top-tier code LLM that releases model weights and inference code . reproducible data pipelines, rigorous experimental ablation results and training protocols are included .
Outcome: The proposed model achieves comparable performance to leading models and serves as an "open cookbook" reproducible training data, rigorous experimental ablation results, and detailed training protocols are also included in the model.
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.
Evaluating Robustness of Generative Search Engine on Adversarial Factoid Questions (2024.findings-acl)

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Challenge: Existing large language models (LLMs)-backed generative search engines may not always be accurate.
Approach: They propose to evaluate the robustness of retrieval-augmented generation in a realistic and high-risk setting where adversaries have only black-box system access.
Outcome: The proposed model exhibits higher susceptibility to factual errors compared to LLMs without retrieval.
LatEval: An Interactive LLMs Evaluation Benchmark with Incomplete Information from Lateral Thinking Puzzles (2024.lrec-main)

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Challenge: Existing evaluation benchmarks, such as MMLU, C-Eval, and GSM8K, evaluate models by posing a variety of problems, including problems about mathematics, science, law, and general knowledge.
Approach: They propose a benchmark which assesses the model’s lateral thinking within an interactive framework.
Outcome: The proposed evaluation benchmark assesses the model’s lateral thinking within an interactive framework.
AI2Agent: An End-to-End Framework for Deploying AI Projects as Autonomous Agents (2025.acl-demo)

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Challenge: a new framework automates deployment and debugging of AI projects . complexity of environment configurations, dependency conflicts, and debuggering issues hinder scalability and adoption.
Approach: They propose an end-to-end framework that automates AI project deployment . they conducted experiments on 30 AI deployment cases to evaluate its effectiveness .
Outcome: The proposed framework reduces deployment time and improves success rates by reducing human intervention.
Deep Research with Open-Domain Evaluation and Multi-Stage Guardrails for Safety (2026.acl-long)

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Challenge: Existing deep research frameworks lack adequate evaluation procedures and stage-specific protections.
Approach: They propose a framework with open-domain evaluation and a stage-wise safety benchmark to address this oversight.
Outcome: The proposed framework improves defense success rates by 16.53% while reducing over-refusal rates to approximately 6%.
RAISE: Reinforced Adaptive Instruction Selection For Large Language Models (2025.findings-emnlp)

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Challenge: Existing selection methods rely on static, heuristic quality scores and are executed only once before training.
Approach: They propose a dynamic selection framework that integrates selection into every training step.
Outcome: The proposed framework integrates selection into every training step.
The Past Mistake is the Future Wisdom: Error-driven Contrastive Probability Optimization for Chinese Spell Checking (2022.findings-acl)

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Challenge: Chinese Spell Checking (CSC) aims to detect and correct spelling errors, which are caused by the phonological or visual similarity.
Approach: They propose an Error-driven COntrastive Probability Optimization framework to refine the knowledge representations of pre-trained language models to avoid predicting common characters.
Outcome: Extensive experiments and detailed analyses on SIGHAN datasets demonstrate that ECOPO is simple yet effective.

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