collaborators

6 papers

cs.LG2025

DynaSearcher: Dynamic Knowledge Graph Augmented Search Agent via Multi-Reward Reinforcement Learning

Chuzhan Hao, Wenfeng Feng, Yuewei Zhang +1

Multi-step agentic retrieval systems based on large language models (LLMs) have demonstrated remarkable performance in complex information search tasks. However, these systems stil…

cs.LG2025

VCRL: Variance-based Curriculum Reinforcement Learning for Large Language Models

Guochao Jiang, Wenfeng Feng, Guofeng Quan +4

Policy-based reinforcement learning currently plays an important role in improving LLMs on mathematical reasoning tasks. However, existing rollout-based reinforcement learning meth…

cs.LG2025

PVPO: Pre-Estimated Value-Based Policy Optimization for Agentic Reasoning

Wenfeng Feng, Penghong Zhao, Guochao Jiang +4

Critic-free reinforcement learning methods, particularly group policies, have attracted considerable attention for their efficiency in complex tasks. However, these methods rely he…

cs.AI2025

AirRAG: Autonomous Strategic Planning and Reasoning Steer Retrieval Augmented Generation

Wenfeng Feng, Chuzhan Hao, Yuewei Zhang +3

Leveraging the autonomous decision-making capabilities of large language models (LLMs) has demonstrated superior performance in reasoning tasks. However, despite the success of ite…

cs.DC2025

FlowKV: A Disaggregated Inference Framework with Low-Latency KV Cache Transfer and Load-Aware Scheduling

Weiqing Li, Guochao Jiang, Xiangyong Ding +5

Disaggregated inference has become an essential framework that separates the prefill (P) and decode (D) stages in large language model inference to improve throughput. However, the…

cs.CL2025

RASD: Retrieval-Augmented Speculative Decoding

Guofeng Quan, Wenfeng Feng, Chuzhan Hao +3

Speculative decoding accelerates inference in large language models (LLMs) by generating draft tokens for target model verification. Current approaches for obtaining draft tokens r…