collaborators

7 papers

cs.LG2026

DR-Venus: Towards Frontier Edge-Scale Deep Research Agents with Only 10K Open Data

Venus Team, Sunhao Dai, Yong Deng +10

Edge-scale deep research agents based on small language models are attractive for real-world deployment due to their advantages in cost, latency, and privacy. In this work, we stud…

cs.CL2026

Information Gain-based Policy Optimization: A Simple and Effective Approach for Multi-Turn Search Agents

Guoqing Wang, Sunhao Dai, Guangze Ye +5

Large language model (LLM)-based agents are increasingly trained with reinforcement learning (RL) to enhance their ability to interact with external environments through tool use,…

cs.IR2026

Careful Queries, Credible Results: Teaching RAG Models Advanced Web Search Tools with Reinforcement Learning

Yuqin Dai, Shuo Yang, Guoqing Wang +10

Retrieval-Augmented Generation (RAG) enhances large language models (LLMs) by integrating up-to-date external knowledge, yet real-world web environments present unique challenges.…

cs.CL2025

EviNote-RAG: Enhancing RAG Models via Answer-Supportive Evidence Notes

Yuqin Dai, Guoqing Wang, Yuan Wang +13

Retrieval-Augmented Generation (RAG) has advanced open-domain question answering by incorporating external information into model reasoning. However, effectively leveraging externa…

cs.CL2025

Atom-Searcher: Enhancing Agentic Deep Research via Fine-Grained Atomic Thought Reward

Yong Deng, Guoqing Wang, Zhenzhe Ying +12

Large language models (LLMs) exhibit remarkable problem-solving abilities, but struggle with complex tasks due to static internal knowledge. Retrieval-Augmented Generation (RAG) en…

cs.CL2025

RAMA: Retrieval-Augmented Multi-Agent Framework for Misinformation Detection in Multimodal Fact-Checking

Shuo Yang, Zijian Yu, Zhenzhe Ying +6

The rapid proliferation of multimodal misinformation presents significant challenges for automated fact-checking systems, especially when claims are ambiguous or lack sufficient co…