Yutong Gou

PhD student
College of Computing and Data Science
Nanyang Technological University

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About

I am a PhD student in the College of Computing and Data Science at Nanyang Technological University, advised by Prof. Cheng Long. I received my bachelor’s degree from Tsinghua University.

I study vector databases, with a focus on vector quantization and approximate nearest-neighbor search.

Selected publications

  1. 2026

    Revisiting RaBitQ and TurboQuant: A Symmetric Comparison of Methods, Theory, and Experiments

    Jianyang Gao, Yutong Gou, Yuexuan Xu, Jifan Shi, Yongyi Yang, Shuolin Li, Raymond Chi-Wing Wong, Cheng Long

    Preprint

    Paper Code

  2. 2025

    SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search

    Yutong Gou, Jianyang Gao, Yuexuan Xu, Cheng Long

    Proceedings of the ACM on Management of Data · SIGMOD 2025

    Paper Code

  3. 2025

    Practical and Asymptotically Optimal Quantization of High-Dimensional Vectors in Euclidean Space for Approximate Nearest Neighbor Search

    Jianyang Gao, Yutong Gou, Yuexuan Xu, Yongyi Yang, Cheng Long, Raymond Chi-Wing Wong

    Proceedings of the ACM on Management of Data · SIGMOD 2025

    Paper Code

  4. 2025

    iRangeGraph: Improvising Range-dedicated Graphs for Range-filtering Nearest Neighbor Search

    Yuexuan Xu, Jianyang Gao, Yutong Gou, Cheng Long, Christian S. Jensen

    Proceedings of the ACM on Management of Data (2024) · SIGMOD 2025

    Paper Code

  5. 2024

    High-Dimensional Vector Quantization: General Framework, Recent Advances, and Future Directions

    Jianyang Gao, Yutong Gou, Yuexuan Xu, Jifan Shi, Cheng Long, Raymond Chi-Wing Wong, Themis Palpanas

    IEEE Data Engineering Bulletin

    Details

Complete publication list

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External Reviewer