activity
20212026
most citedMETA-GUI: Towards Multi-modal Conversational Agents on Mobile GUI

3 citations · 8 across the 15 of their papers we have counts for

collaborators

19 papers

cs.CL2026

Learning What to Keep: Transfer-Aware Personal Skill Learning from User Feedback

Li Wang, Chen Zhang, Yirong Yang +4

User feedback enables LLMs to refine reusable personalized skills, but often mixes persistent preferences with request-specific corrections. Indiscriminately retaining both risks n…

cs.IR2026

PAGE-RAG: Evidence-Grounded Adaptive Graph Retrieval for Long-Document Question Answering

Xingyu Chen, Junxiu An, Jun Guo +1

GraphRAG improves long-document question answering by introducing structured representations beyond conventional retrieval. However, automatically constructed graphs are inherently…

cs.CL2026

Generation-Augmented Generation: A Plug-and-Play Framework for Private Knowledge Injection in Large Language Models

Rongji Li, Jian Xu, Yi Chen +7

In domains such as materials science, biomedicine, and finance, high-stakes deployment of large language models (LLMs) requires injecting private, domain-specific knowledge that is…

cs.AI2025

KG-Augmented Executable CoT for Mathematical Coding

Xingyu Chen, Junxiu An, Jun Guo +2

In recent years, large language models (LLMs) have excelled in natural language processing tasks but face significant challenges in complex reasoning tasks such as mathematical rea…

cs.CL2025

CogDual: Enhancing Dual Cognition of LLMs via Reinforcement Learning with Implicit Rule-Based Rewards

Cheng Liu, Yifei Lu, Fanghua Ye +5

Role-Playing Language Agents (RPLAs) have emerged as a significant application direction for Large Language Models (LLMs). Existing approaches typically rely on prompt engineering…

cs.LG2025

Ctrl-DNA: Controllable Cell-Type-Specific Regulatory DNA Design via Constrained RL

Xingyu Chen, Shihao Ma, Runsheng Lin +2

Designing regulatory DNA sequences that achieve precise cell-type-specific gene expression is crucial for advancements in synthetic biology, gene therapy and precision medicine. Al…

cs.CL2025★ 1 cited

DeepMath-103K: A Large-Scale, Challenging, Decontaminated, and Verifiable Mathematical Dataset for Advancing Reasoning

Zhiwei He, Tian Liang, Jiahao Xu +12

Reinforcement learning (RL) with large language models shows promise in complex reasoning. However, its progress is hindered by the lack of large-scale training data that is suffic…

cs.CL2025

Sentient Agent as a Judge: Evaluating Higher-Order Social Cognition in Large Language Models

Bang Zhang, Ruotian Ma, Qingxuan Jiang +10

Assessing how well a large language model (LLM) understands human, rather than merely text, remains an open challenge. To bridge the gap, we introduce Sentient Agent as a Judge (SA…

cs.CL2025

Dancing with Critiques: Enhancing LLM Reasoning with Stepwise Natural Language Self-Critique

Yansi Li, Jiahao Xu, Tian Liang +8

Enhancing the reasoning capabilities of large language models (LLMs), particularly for complex tasks requiring multi-step logical deductions, remains a significant challenge. Tradi…

cs.CL2025

RaSA: Rank-Sharing Low-Rank Adaptation

Zhiwei He, Zhaopeng Tu, Xing Wang +7

Low-rank adaptation (LoRA) has been prominently employed for parameter-efficient fine-tuning of large language models (LLMs). However, the limited expressive capacity of LoRA, stem…

cs.CL2025

Alignment for Efficient Tool Calling of Large Language Models

Hongshen Xu, Zihan Wang, Zichen Zhu +4

Recent advancements in tool learning have enabled large language models (LLMs) to integrate external tools, enhancing their task performance by expanding their knowledge boundaries…

cs.CL2025

The First Few Tokens Are All You Need: An Efficient and Effective Unsupervised Prefix Fine-Tuning Method for Reasoning Models

Ke Ji, Jiahao Xu, Tian Liang +10

Improving the reasoning capabilities of large language models (LLMs) typically requires supervised fine-tuning with labeled data or computationally expensive sampling. We introduce…

cs.CL2025★ 1 cited

The Dual-use Dilemma in LLMs: Do Empowering Ethical Capacities Make a Degraded Utility?

Yiyi Zhang, Xingyu Chen, Kexin Chen +3

Recent years have witnessed extensive efforts to enhance Large Language Models (LLMs) across various domains, alongside growing attention to their ethical implications. However, a…

cs.CL2025

Thoughts Are All Over the Place: On the Underthinking of o1-Like LLMs

Yue Wang, Qiuzhi Liu, Jiahao Xu +11

Large language models (LLMs) such as OpenAI's o1 have demonstrated remarkable abilities in complex reasoning tasks by scaling test-time compute and exhibiting human-like deep think…

cs.CL2025★ 2 cited

Do NOT Think That Much for 2+3=? On the Overthinking of o1-Like LLMs

Xingyu Chen, Jiahao Xu, Tian Liang +11

The remarkable performance of models like the OpenAI o1 can be attributed to their ability to emulate human-like long-time thinking during inference. These models employ extended c…

cs.CL2023

Rethinking Word-Level Auto-Completion in Computer-Aided Translation

Xingyu Chen, Lemao Liu, Guoping Huang +4

Word-Level Auto-Completion (WLAC) plays a crucial role in Computer-Assisted Translation. It aims at providing word-level auto-completion suggestions for human translators. While pr…

cs.CL2022★ 1 cited

TIE: Topological Information Enhanced Structural Reading Comprehension on Web Pages

Zihan Zhao, Lu Chen, Ruisheng Cao +3

Recently, the structural reading comprehension (SRC) task on web pages has attracted increasing research interests. Although previous SRC work has leveraged extra information such…

cs.CL2022★ 3 cited

META-GUI: Towards Multi-modal Conversational Agents on Mobile GUI

Liangtai Sun, Xingyu Chen, Lu Chen +3

Task-oriented dialogue (TOD) systems have been widely used by mobile phone intelligent assistants to accomplish tasks such as calendar scheduling or hotel reservation. Current TOD…

cs.CL2021

WebSRC: A Dataset for Web-Based Structural Reading Comprehension

Xingyu Chen, Zihan Zhao, Lu Chen +5

Web search is an essential way for humans to obtain information, but it's still a great challenge for machines to understand the contents of web pages. In this paper, we introduce…