Jiayi Wang

Research Fellow, School of Computing, National University of Singapore

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I am now a research fellow working with Prof. Xiaokui Xiao at the Department of Computer Science, National University of Singapore (NUS). Previously, I obtained my PhD degree in 2025 from DBGroup at Department of Computer Science and Technology, Tsinghua University, under the supervision of Guoliang Li.

My current research focuses on data analytics with LLMs.

news

May 27, 2025 One demo got accepted at VLDB 2025! :tada:
Mar 26, 2025 Two papers got accepted at ICDE 2025! :tada:
Feb 4, 2025 Our Tutorial got accepted at SIGMOD 2025! :tada:
Oct 4, 2024 One paper got accepted at CIDR 2025! :tada:
Mar 10, 2024 Organizing the SIGMOD programming contest this year! Hope participants enjoy! :smiley:
Sep 1, 2023 Invited 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. CIDR’25
    AOP: Automated and Interactive LLM Pipeline Orchestration for Answering Complex Queries
    Jiayi Wang, and Guoliang Li
    CIDR, 2025
  2. ICDE’25
    Unify: An Unstructured Data Analytics System
    Jiayi Wang, and Jianhua Feng
    ICDE, 2025
  3. ICDE’25
    Federated Data Analytics with Differentially Private Density Estimation Model
    Jiayi Wang, Lei Cao, Chengliang Chai, and Guoliang Li
    ICDE, 2025
  4. VLDBJ’24
    Cardinality estimation using normalizing flow
    Jiayi Wang, Chengliang Chai, Jiabin Liu, and Guoliang Li
    VLDB J., 2024
  5. 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
  6. VLDB’22
    FACE: A Normalizing Flow based Cardinality Estimator
    Jiayi Wang, Chengliang Chai, Jiabin Liu, and Guoliang Li
    Proc. VLDB Endow., 2022