Bio

Hi! I'm a final-year PhD student in Computer Science and Engineering at Santa Clara University, working under the guidance of Professor Yi Fang.

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Research

My research focus on enhancing search systems with LLMs.

News 🎉🎉

• Full paper "W-RAG: Weakly Supervised Dense Retrieval in RAG for Open-domain Question Answering" was recently accepted to SIGIR ICTIR 2025 .
• Full paper "ELOQ: Resources for Enhancing LLM Detection of Out-of-Scope Questions" was recently accepted to SIGIR 2025 Resource & Reproducibility Track.

Papers

W-RAG: Weakly Supervised Dense Retrieval in RAG for Open-domain Question Answering
Jinming Nian, Zhiyuan Peng, Qifan Wang, Yi Fang
SIGIR ICTIR 2025 | paper | code

ELOQ: Resources for Enhancing LLM Detection of Out-of-Scope Questions
Zhiyuan Peng*, Jinming Nian*, Alexandre Evfimievski, Yi Fang
SIGIR 2025 | paper | code | dataset

Last Update: July 2025