Qian-Wen Zhang

PoLi-RL: A Point-to-List Reinforcement Learning Framework for Conditional Semantic Textual Similarity

GraphRAG-Bench: Challenging Domain-specific Reasoning for Evaluating Graph Retrieval-Augmented Generation

FactGuard: Detecting Unanswerable Questions in Long-Context Texts for Reliable LLM Responses

Youtu-GraphRAG: Vertically Unified Agents for Graph Retrieval-Augmented Complex Reasoning

CoDiEmb: A Collaborative yet Distinct Framework for Unified Representation Learning in Information Retrieval and Semantic Textual Similarity