2022

doi dblp
Learning Discrete Representations via Constrained Clustering for Effective and Efficient Dense Retrieval
Jingtao Zhan | Jiaxin Mao | Yiqun Liu | Jiafeng Guo | Min Zhang | Shaoping Ma
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

doi dblp
Evaluating Interpolation and Extrapolation Performance of Neural Retrieval Models
Jingtao Zhan | Xiaohui Xie | Jiaxin Mao | Yiqun Liu | Jiafeng Guo | Min Zhang | Shaoping Ma
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022

2021

doi dblp
Optimizing Dense Retrieval Model Training with Hard Negatives
Jingtao Zhan | Jiaxin Mao | Yiqun Liu | Jiafeng Guo | Min Zhang | Shaoping Ma
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

doi dblp
Jointly Optimizing Query Encoder and Product Quantization to Improve Retrieval Performance
Jingtao Zhan | Jiaxin Mao | Yiqun Liu | Jiafeng Guo | Min Zhang | Shaoping Ma
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

doi dblp
An Analysis of BERT in Document Ranking
Jingtao Zhan | Jiaxin Mao | Yiqun Liu | Min Zhang | Shaoping Ma
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

doi dblp
Leveraging Passage-level Cumulative Gain for Document Ranking
Zhijing Wu | Jiaxin Mao | Yiqun Liu | Jingtao Zhan | Yukun Zheng | Min Zhang | Shaoping Ma
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

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