Yifan Qiao

2025

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LSTM-Based Selective Dense Text Retrieval Guided by Sparse Lexical Retrieval.
Yingrui Yang|Parker Carlson|Yifan Qiao|Wentai Xie|Shanxiu He|Tao Yang
Advances in Information Retrieval - 47th European Conference on Information Retrieval, ECIR 2025, Lucca, Italy, April 6-10, 2025, Proceedings, Part I
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Low-Cost Document Retrieval with Dense Pseudo-Query Encoding.
Shanxiu He|Wentai Xie|Yifan Qiao|Parker Carlson|Tao Yang
Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025

2024

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On-Device Query Auto-completion for Email Search.
Yifan Qiao|Otto Godwin|Hua Ouyang
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part I
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Cluster-based Partial Dense Retrieval Fused with Sparse Text Retrieval.
Yingrui Yang|Parker Carlson|Shanxiu He|Yifan Qiao|Tao Yang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024
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Weighted KL-Divergence for Document Ranking Model Refinement.
Yingrui Yang|Yifan Qiao|Shanxiu He|Tao Yang
Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2024, Washington DC, USA, July 14-18, 2024

2023

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Privacy-aware document retrieval with two-level inverted indexing.
Yifan Qiao|Shiyu Ji|Changhai Wang|Jinjin Shao|Tao Yang
Discover Computing 2023 Volume 26 Issue 1
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Balanced Knowledge Distillation with Contrastive Learning for Document Re-ranking.
Yingrui Yang|Shanxiu He|Yifan Qiao|Wentai Xie|Tao Yang
Proceedings of the 2023 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2023, Taipei, Taiwan, 23 July 2023
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Representation Sparsification with Hybrid Thresholding for Fast SPLADE-based Document Retrieval.
Yifan Qiao|Yingrui Yang|Shanxiu He|Tao Yang
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023
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Optimizing Guided Traversal for Fast Learned Sparse Retrieval.
Yifan Qiao|Yingrui Yang|Haixin Lin|Tao Yang
Proceedings of the ACM Web Conference 2023, WWW 2023, Austin, TX, USA, 30 April 2023 - 4 May 2023

2022

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Lightweight Composite Re-Ranking for Efficient Keyword Search with BERT.
Yingrui Yang|Yifan Qiao|Jinjin Shao|Xifeng Yan|Tao Yang
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2021

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Window Navigation with Adaptive Probing for Executing BlockMax WAND.
Jinjin Shao|Yifan Qiao|Shiyu Ji|Tao Yang
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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Index Obfuscation for Oblivious Document Retrieval in a Trusted Execution Environment.
Jinjin Shao|Shiyu Ji|Alvin Oliver Glova|Yifan Qiao|Tao Yang|Tim Sherwood
CIKM '20: The 29th ACM International Conference on Information and Knowledge Management, Virtual Event, Ireland, October 19-23, 2020