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Sujian Li

50 accepted papers

2026

FormAct: Agentic Source Editing for Rich-Format Document Generation

ICML 2026poster

Rich-format documents are essential for everyday operations yet costly to author, motivating the need for automated generation to enhance productivity. To this end, we present FormAct, an agentic system that generates professional rich-format documents from scratch. FormAct operates on an HTML sourc…

Cited by 0SourceScholar
2026

Learning To Draft: Adaptive Speculative Decoding with Reinforcement Learning

ICLR 2026poster

Speculative decoding accelerates large language model (LLM) inference by using a small draft model to generate candidate tokens for a larger target model to verify. The efficacy of this technique hinges on the trade-off between the time spent on drafting candidates and verifying them. However, curre…

Cited by 0SourcecodeScholar
2026

PaperBanana: Automating Academic Illustration for AI Scientists

ICML 2026spotlight

Despite rapid advances in autonomous AI scientists powered by language models, generating publication-ready illustrations remains a labor-intensive bottleneck in the research workflow. To lift this burden, we introduce PaperBanana, an agentic framework for automated generation of publication-ready a…

Cited by 0SourceScholar
2026

PosterAgent: Agentic Poster Generation via Stage-Aware Reinforcement Learning

ICML 2026poster

Poster generation is a complex task demanding a harmonious integration of visual aesthetics and information hierarchy. While recent text-to-image models have advanced visual synthesis, they remain non-editable and struggle with precise text rendering. Conversely, existing layout-generation methods o…

Cited by 0SourceScholar
2026

Video2GUI: Synthesizing Large-Scale Interaction Trajectories for Generalized GUI Agent Pretraining

ICML 2026poster

Recent advances in multimodal large language models have driven growing interest in graphical user interface (GUI) agents, yet their generalization remains constrained by the scarcity of large-scale training data spanning diverse real-world applications. Existing datasets rely heavily on costly manu…

Cited by 0SourceScholar
2025

Chain-of-Thought Matters: Improving Long-Context Language Models with Reasoning Path Supervision

EMNLP 2025

Recent advances in Large Language Models (LLMs) have highlighted the challenge of handling long-context tasks, where models need to reason over extensive input contexts to aggregate target information. While Chain-of-Thought (CoT) prompting has shown promise for multi-step reasoning, its effectivene

Cited by 0SourcePDFScholar
2025

EERPD: Leveraging Emotion and Emotion Regulation for Improving Personality Detection

COLING 2025main

Personality is a fundamental construct in psychology, reflecting an individual’s behavior, thinking, and emotional patterns. While previous researches have made progress in personality detection, their designed methods generally overlook the important connection between psychological knowledge “emot…

Cited by 0SourcePDFScholar
2025

Exploring Fine-Grained Human Motion Video Captioning

COLING 2025main

Detailed descriptions of human motion are crucial for effective fitness training, which highlights the importance of research in fine-grained human motion video captioning. Existing video captioning models often fail to capture the nuanced semantics of videos, resulting in the generated descriptions…

2025

FinRAGBench-V: A Benchmark for Multimodal RAG with Visual Citation in the Financial Domain

EMNLP 2025

Retrieval-Augmented Generation (RAG) plays a vital role in the financial domain, powering applications such as real-time market analysis, trend forecasting, and interest rate computation. However, most existing RAG research in finance focuses predominantly on textual data, overlooking the rich visua

2025

Hierarchical Memory Organization for Wikipedia Generation

ACL 2025long

Generating Wikipedia articles autonomously is a challenging task requiring the integration of accurate, comprehensive, and well-structured information from diverse sources. This paper introduces the Memory Organization-based Generation (MOG) framework, a novel approach to address these challenges by…

2025

ISR: Self-Refining Referring Expressions for Entity Grounding

ACL 2025long

Entity grounding, a crucial task in constructing multimodal knowledge graphs, aims to align entities from knowledge graphs with their corresponding images. Unlike conventional visual grounding tasks that use referring expressions (REs) as inputs, entity grounding relies solely on entity names and ty…

2025

LongAttn: Selecting Long-context Training Data via Token-level Attention

ACL 2025finding

With the development of large language models (LLMs), there has been an increasing need for significant advancements in handling long contexts. To enhance long-context capabilities, constructing high-quality training data with **long-range dependencies** is crucial. Existing methods to select long-c…

2025

MPO: Boosting LLM Agents with Meta Plan Optimization

EMNLP 2025

Recent advancements in large language models (LLMs) have enabled LLM-based agents to successfully tackle interactive planning tasks. However, despite their successes, existing approaches often suffer from planning hallucinations and require retraining for each new agent. To address these challenges,

2025

More Tokens, Lower Precision: Towards the Optimal Token-Precision Trade-off in KV Cache Compression

EMNLP 2025

As large language models (LLMs) process increasing context windows, the memory usage of KV cache has become a critical bottleneck during inference. The mainstream KV compression methods, including KV pruning and KV quantization, primarily focus on either token or precision dimensions separately. How

2025

Realistic Training Data Generation and Rule Enhanced Decoding in LLM for NameGuess

EMNLP 2025

The wide use of abbreviated column names (derived from English words or Chinese Pinyin) in database tables poses significant challenges for table-centric tasks in natural language processing and database management. Such a column name expansion task, referred to as the NameGuess task, has previously

2025

The Good, The Bad, and The Greedy: Evaluation of LLMs Should Not Ignore Non-Determinism

NAACL 2025long

Current evaluations of large language models (LLMs) often overlook non-determinism, typically focusing on a single output per example. This limits our understanding of LLM performance variability in real-world applications. Our study addresses this issue by exploring key questions about the performa…

2025

VL-RewardBench: A Challenging Benchmark for Vision-Language Generative Reward Models

CVPR 2025highlight

Vision-language generative reward models (VL-GenRMs) play a crucial role in aligning and evaluating multimodal AI systems, yet their own evaluation remains under-explored. Current assessment methods primarily rely on AI-annotated preference labels from traditional VL tasks, which can introduce biase…

2025

WIKIGENBENCH:Exploring Full-length Wikipedia Generation under Real-World Scenario

COLING 2025main

It presents significant challenges to generate comprehensive and accurate Wikipedia articles for newly emerging events under real-world scenario. Existing attempts fall short either by focusing only on short snippets or by using metrics that are insufficient to evaluate real-world scenarios. In this…

2024

AgentBank: Towards Generalized LLM Agents via Fine-Tuning on 50000+ Interaction Trajectories

EMNLP 2024finding

Fine-tuning on agent-environment interaction trajectory data holds significant promise for surfacing generalized agent capabilities in open-source large language models (LLMs). In this work, we introduce AgentBank, by far the largest trajectory tuning data collection featuring more than 50k diverse…

2024

CoUDA: Coherence Evaluation via Unified Data Augmentation

NAACL 2024long

Coherence evaluation aims to assess the organization and structure of a discourse, which remains challenging even in the era of large language models. Due to the scarcity of annotated data, data augmentation is commonly used for training coherence evaluation models. However, previous augmentations f…

2024

FaGANet: An Evidence-Based Fact-Checking Model with Integrated Encoder Leveraging Contextual Information

COLING 2024main

In the face of the rapidly growing spread of false and misleading information in the real world, manual evidence-based fact-checking efforts become increasingly challenging and time-consuming. In order to tackle this issue, we propose FaGANet, an automated and accurate fact-checking model that lever…

2024

InstructEval: Instruction-Tuned Text Evaluator from Human Preference

ACL 2024findings

This paper explores to construct a general text evaluator based on open-source Large Language Models (LLMs), a domain predominantly occupied by commercial counterparts such as GPT-4. Recognizing the limitations of open-source models like Llama in evaluative tasks, we introduce InstructEval, a genera…

2024

LongEmbed: Extending Embedding Models for Long Context Retrieval

EMNLP 2024main

Embedding models play a pivotal role in modern NLP applications such as document retrieval. However, existing embedding models are limited to encoding short documents of typically 512 tokens, restrained from application scenarios requiring long inputs. This paper explores context window extension of…

2024

PoSE: Efficient Context Window Extension of LLMs via Positional Skip-wise Training

ICLR 2024poster

Large Language Models (LLMs) are trained with a pre-defined context length, restricting their use in scenarios requiring long inputs. Previous efforts for adapting LLMs to a longer length usually requires fine-tuning with this target length (Full-length fine-tuning), suffering intensive training cos…

2024

Selecting Large Language Model to Fine-tune via Rectified Scaling Law

ICML 2024poster

The ever-growing ecosystem of LLMs has posed a challenge in selecting the most appropriate pre-trained model to fine-tune amidst a sea of options. Given constrained resources, fine-tuning all models and making selections afterward is unrealistic. In this work, we formulate this resource-constrained…

2024

Trial and Error: Exploration-Based Trajectory Optimization of LLM Agents

ACL 2024long

Large Language Models (LLMs) have become integral components in various autonomous agent systems.In this study, we present an exploration-based trajectory optimization approach, referred to as ETO. This learning method is designed to enhance the performance of open LLM agents. Contrary to previous s…

2024

Watch Every Step! LLM Agent Learning via Iterative Step-level Process Refinement

EMNLP 2024main

Large language model agents have exhibited exceptional performance across a range of complex interactive tasks. Recent approaches have utilized tuning with expert trajectories to enhance agent performance, yet they primarily concentrate on outcome rewards, which may lead to errors or suboptimal acti…

2023

Debiasing Generative Named Entity Recognition by Calibrating Sequence Likelihood

ACL 2023short

Recognizing flat, overlapped and discontinuous entities uniformly has been paid increasing attention. Among these works, Seq2Seq formulation prevails for its flexibility and effectiveness. It arranges the output entities into a specific target sequence. However, it introduces bias by assigning all t…

2023

DocRED-FE: A Document-Level Fine-Grained Entity and Relation Extraction Dataset

ICASSP 2023accepted

Joint entity and relation extraction (JERE) is one of the most important tasks in information extraction. However, most existing works focus on sentence-level coarse-grained JERE, which have limitations in real-world scenarios. In this paper, we construct a large-scale document-level fine-grained JE…

Cited by 0SourceScholar
2023

Improving Sentence Similarity Estimation for Unsupervised Extractive Summarization

ICASSP 2023accepted

Unsupervised extractive summarization aims to extract salient sentences from a document as the summary without labeled data. Recent literatures mostly research how to leverage sentence similarity to rank sentences in the order of salience. However, sentence similarity estimation using pre-trained la…

Cited by 0SourceScholar
2023

InfoCL: Alleviating Catastrophic Forgetting in Continual Text Classification from An Information Theoretic Perspective

EMNLP 2023long findings

Continual learning (CL) aims to constantly learn new knowledge over time while avoiding catastrophic forgetting on old tasks. We focus on continual text classification under the class-incremental setting. Recent CL studies have identified the severe performance decrease on analogous classes as a key…

Cited by 0SourcecodeScholar
2023

KBioXLM: A Knowledge-anchored Biomedical Multilingual Pretrained Language Model

EMNLP 2023long findings

Most biomedical pretrained language models are monolingual and cannot handle the growing cross-lingual requirements. The scarcity of non-English domain corpora, not to mention parallel data, poses a significant hurdle in training multilingual biomedical models. Since knowledge forms the core of doma…

Cited by 0SourcecodeScholar
2023

Rationale-Enhanced Language Models are Better Continual Relation Learners

EMNLP 2023short main

Continual relation extraction (CRE) aims to solve the problem of catastrophic forgetting when learning a sequence of newly emerging relations. Recent CRE studies have found that catastrophic forgetting arises from the model's lack of robustness against future analogous relations. To address the issu…

Cited by 0SourcecodeScholar
2023

WeCheck: Strong Factual Consistency Checker via Weakly Supervised Learning

ACL 2023long

A crucial issue of current text generation models is that they often uncontrollably generate text that is factually inconsistent with inputs. Due to lack of annotated data, existing factual consistency metrics usually train evaluation models on synthetic texts or directly transfer from other related…

Cited by 10SourcePDFScholar
2022

ConFiguRe: Exploring Discourse-level Chinese Figures of Speech

COLING 2022main

Figures of speech, such as metaphor and irony, are ubiquitous in literature works and colloquial conversations. This poses great challenge for natural language understanding since figures of speech usually deviate from their ostensible meanings to express deeper semantic implications. Previous resea…

2022

FRSUM: Towards Faithful Abstractive Summarization via Enhancing Factual Robustness

EMNLP 2022finding

Despite being able to generate fluent and grammatical text, current Seq2Seq summarization models still suffering from the unfaithful generation problem.In this paper, we study the faithfulness of existing systems from a new perspective of factual robustness which is the ability to correctly generate…

Cited by 11SourcePDFScholar
2022

Learn and Review: Enhancing Continual Named Entity Recognition via Reviewing Synthetic Samples

ACL 2022findings

Traditional methods for named entity recognition (NER) classify mentions into a fixed set of pre-defined entity types. However, in many real-world scenarios, new entity types are incrementally involved. To investigate this problem, continual learning is introduced for NER. However, the existing meth…

Cited by 35SourcePDFScholar
2022

Learning Robust Representations for Continual Relation Extraction via Adversarial Class Augmentation

EMNLP 2022main

Continual relation extraction (CRE) aims to continually learn new relations from a class-incremental data stream. CRE model usually suffers from catastrophic forgetting problem, i.e., the performance of old relations seriously degrades when the model learns new relations. Most previous work attribut…

2022

Precisely the Point: Adversarial Augmentations for Faithful and Informative Text Generation

EMNLP 2022main

Though model robustness has been extensively studied in language understanding, the robustness of Seq2Seq generation remains understudied.In this paper, we conduct the first quantitative analysis on the robustness of pre-trained Seq2Seq models. We find that even current SOTA pre-trained Seq2Seq mode…

Cited by 3SourcePDFScholar
2022

Premise-based Multimodal Reasoning: Conditional Inference on Joint Textual and Visual Clues

ACL 2022long

It is a common practice for recent works in vision language cross-modal reasoning to adopt a binary or multi-choice classification formulation taking as input a set of source image(s) and textual query. In this work, we take a sober look at such an “unconditional” formulation in the sense that no pr…

Cited by 10SourcePDFScholar
2021

BASS: Boosting Abstractive Summarization with Unified Semantic Graph

ACL 2021long

Abstractive summarization for long-document or multi-document remains challenging for the Seq2Seq architecture, as Seq2Seq is not good at analyzing long-distance relations in text. In this paper, we present BASS, a novel framework for Boosting Abstractive Summarization based on a unified Semantic gr…

2021

Guiding the Growth: Difficulty-Controllable Question Generation through Step-by-Step Rewriting

ACL 2021long

This paper explores the task of Difficulty-Controllable Question Generation (DCQG), which aims at generating questions with required difficulty levels. Previous research on this task mainly defines the difficulty of a question as whether it can be correctly answered by a Question Answering (QA) syst…

Cited by 54SourcePDFScholar
2020

Syntax-Aware Graph Attention Network for Aspect-Level Sentiment Classification

COLING 2020main

Aspect-level sentiment classification aims to distinguish the sentiment polarities over aspect terms in a sentence. Existing approaches mostly focus on modeling the relationship between the given aspect words and their contexts with attention, and ignore the use of more elaborate knowledge implicit…