activity
20232026
most citedCausality and Independence Enhancement for Biased Node Classification

11 citations · 33 across the 10 of their papers we have counts for

collaborators

12 papers

cs.AI2026

JURY-RL: Votes Propose, Proofs Dispose for Label-Free RLVR

Xinjie Chen, Biao Fu, Jing Wu +4

Reinforcement learning with verifiable rewards (RLVR) enhances the reasoning of large language models (LLMs), but standard RLVR often depends on human-annotated answers or carefull…

cs.LG2025

From Data-Centric to Sample-Centric: Enhancing LLM Reasoning via Progressive Optimization

Xinjie Chen, Minpeng Liao, Guoxin Chen +4

Reinforcement learning with verifiable rewards (RLVR) has recently advanced the reasoning capabilities of large language models (LLMs). While prior work has emphasized algorithmic…

cs.CL2025

C-3PO: Compact Plug-and-Play Proxy Optimization to Achieve Human-like Retrieval-Augmented Generation

Guoxin Chen, Minpeng Liao, Peiying Yu +5

Retrieval-augmented generation (RAG) systems face a fundamental challenge in aligning independently developed retrievers and large language models (LLMs). Existing approaches typic…

cs.CL2024

Learning Evolving Tools for Large Language Models

Guoxin Chen, Zhong Zhang, Xin Cong +5

Tool learning enables large language models (LLMs) to interact with external tools and APIs, greatly expanding the application scope of LLMs. However, due to the dynamic nature of…

cs.CL2024★ 4 cited

DiReCT: Diagnostic Reasoning for Clinical Notes via Large Language Models

Bowen Wang, Jiuyang Chang, Yiming Qian +6

Large language models (LLMs) have recently showcased remarkable capabilities, spanning a wide range of tasks and applications, including those in the medical domain. Models like GP…

cs.CL2024

Step-level Value Preference Optimization for Mathematical Reasoning

Guoxin Chen, Minpeng Liao, Chengxi Li +1

Direct Preference Optimization (DPO) using an implicit reward model has proven to be an effective alternative to reinforcement learning from human feedback (RLHF) for fine-tuning p…

cs.CL2024★ 6 cited

AlphaMath Almost Zero: Process Supervision without Process

Guoxin Chen, Minpeng Liao, Chengxi Li +1

Although recent advancements in large language models (LLMs) have significantly improved their performance on various tasks, they still face challenges with complex and symbolic mu…

cs.CL2024★ 5 cited

SEER: Facilitating Structured Reasoning and Explanation via Reinforcement Learning

Guoxin Chen, Kexin Tang, Chao Yang +3

Elucidating the reasoning process with structured explanations from question to answer is crucial, as it significantly enhances the interpretability, traceability, and trustworthin…

cs.SI2024

Skyline Community Search over Edge-Attributed Bipartite Graphs

Fangda Guo, Xuanpu Luo, Shiyuan Xu +4

Bipartite graphs, modeling relationships between two types of entities, are widely used in practical applications. Community search, a fundamental problem in bipartite graphs, has…

cs.LG2023★ 11 cited

Causality and Independence Enhancement for Biased Node Classification

Guoxin Chen, Yongqing Wang, Fangda Guo +4

Most existing methods that address out-of-distribution (OOD) generalization for node classification on graphs primarily focus on a specific type of data biases, such as label selec…

cs.SI2023★ 6 cited

FCS-HGNN: Flexible Multi-type Community Search in Heterogeneous Information Networks

Guoxin Chen, Fangda Guo, Yongqing Wang +4

Community search is a personalized community discovery problem designed to identify densely connected subgraphs containing the query node. Recently, community search in heterogeneo…

cs.CL2023★ 1 cited

MPrompt: Exploring Multi-level Prompt Tuning for Machine Reading Comprehension

Guoxin Chen, Yiming Qian, Bowen Wang +1

The large language models have achieved superior performance on various natural language tasks. One major drawback of such approaches is they are resource-intensive in fine-tuning…