I am a Ph.D. student in School of Computer Science at Peking University, advised by Prof. Xiaolin Wang and Prof. Tong Yang. My research interests include approximate algorithms in data streams and computer network systems. Before I start my Ph.D. degree, I received my bachelor degree in Computer Science and Mathematics at Peking University in 2023.


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  • SketchPolymer: Estimate Per-item Tail Quantile Using One Sketch
  • Jiarui Guo, Yisen Hong, Yuhan Wu, Yunfei Liu, Tong Yang, Bin Cui
    Proceedings of the 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD '23). Aug. 2023
  • Finding Simplex Items in Data Streams
  • Zhuochen Fan, Jiarui Guo, Xiaodong Li, Tong Yang, Yikai Zhao, Yuhan Wu, Bin Cui, Yanwei Xu, Steve Uhlig, Gong Zhang
    2023 IEEE 39th International Conference on Data Engineering (ICDE '23). Apr. 2023
  • BurstSketch: Finding Bursts in Data Streams
  • Ruijie Miao, Zheng Zhong, Jiarui Guo, Zikun Li, Tong Yang, Bin Cui
    IEEE Transactions on Knowledge and Data Engineering (TKDE). Nov. 2022

    Teaching Assistant

    Probability Theory and Statistics (A)

    Spring 2023


    Review Materials - Review materials for some courses in Peking University.