Jiayi Wang

Ph.D candidate, Dept. of Computer Science and Technology, Tsinghua University

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I am now a 4th-year Ph.D student advised by Prof. Guoliang Li at DBGroup, Department of Computer Science and Technology, Tsinghua University.

My current research focuses on improving query optimization in database with AI techniques.

news

Sep 1, 2023 Invided to present RECON at TaDA Workshop @ VLDB 2023. Hope to contribute! :tada:
Apr 15, 2023 :trophy: Won the championship of SIGMOD 2023 programming contest! :smiley:
Mar 13, 2023 One paper got accepted at SIGMOD 2023! :tada:
Sep 22, 2022 Received Siebel Scholar! Many thanks to Siebel Scholars Foundation ! :sparkles:
Aug 16, 2022 One paper got accepted at VLDB 2023! :tada:

selected publications

  1. VLDB’23
    Coresets over Multiple Tables for Feature-rich and Data-efficient Machine Learning
    Jiayi Wang, Chengliang Chai, Nan Tang, Jiabin Liu, and Guoliang Li
    Proc. VLDB Endow., 2023
    PDF Code
  2. VLDB’22
    FACE: A Normalizing Flow based Cardinality Estimator
    Jiayi Wang, Chengliang Chai, Jiabin Liu, and Guoliang Li
    Proc. VLDB Endow., 2022
    PDF Code
  3. VLDBJ’23
    Cardinality Estimation using Normalizing Flow
    Jiayi Wang, Chengliang Chai, Jiabin Liu, and Guoliang Li
    The VLDB Journal, 2023
    PDF Code