I am a Ph.D. student from the Department of Computer Science and Technology at Tsinghua University. I am supervised by Prof. Zhiyuan Liu and affiliated with the THUNLP Lab. My research interests lie within the intersection of Natural Language Processing and Information Retrieval.

I received my bachelor degree from Tsinghua University in Jun. 2021.

Preprints and Publications

* indicates equal contribution.

2022

Xiaomeng Hu*, Shi Yu*, Chenyan Xiong, Zhenghao Liu, Zhiyuan Liu, Ge Yu. P³ Ranker: Mitigating the Gaps between Pre-training and Ranking Fine-tuning with Prompt-based Learning and Pre-finetuning. The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2022). Paper and Code Comming Soon.

2021

Shi Yu*, Zhenghao Liu*, Chenyan Xiong, Tao Feng, Zhiyuan Liu. Few-Shot Conversational Dense Retrieval. The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2021).

2020

Chenyan Xiong*, Zhenghao Liu*, Si Sun*, Zhuyun Dai*, Kaitao Zhang*, Shi Yu*, Zhiyuan Liu, Hoifung Poon, Jianfeng Gao, Paul Bennett. CMT in TREC-COVID Round 2: Mitigating the Generalization Gaps from Web to Special Domain Search.

Shi Yu*, Jiahua Liu*, Jingqin Yang, Chenyan Xiong, Paul Bennett, Jianfeng Gao, Zhiyuan Liu. Few-Shot Generative Conversational Query Rewriting. The 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2020). Best Short Paper Award.