******best365英国体育在线(中文)有限公司

刘棋毓

2024-03-11 17:12 作者: 审核: 浏览:

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个人简介 / Biography

刘棋毓(Qiyu Liu),best365英国体育在线计算机与信息科学学院/软件学院教授,新重庆引才计划-优秀青年专项获得者(省部级人才)。2022年获香港科技大学计算机科学及工程学博士学位,导师为陈雷教授(ACM Fellow, IEEE Fellow)。博士毕业后留校担任博士后研究员,2024年加入best365英国体育在线,聘为教授。主要从事数据库系统学习型数据结构数据压缩近似查询处理等方向的研究。 在数据库与数据挖掘领域顶级会议/期刊(如SIGMOD、VLDB、ICDE、NeurIPS、VLDBJ等)发表CCF-A类论文14篇。研究成果获得了DASFAA 2020最佳论文提名奖(Best Paper Runner-up)、SIGSPATIAL 2019最佳论文提名(Best Paper Nomination)等荣誉。担任VLDB、ICDE、SIGKDD、NeurIPS、AAAI等多个顶级会议程序委员会委员或审稿人。

学历:
PhD(香港科技大学,2022)
邮箱:
qyliu.cs [At] gmail.com
办公室:
best365英国体育在线计算机学院25-1004
研究方向:
数据库系统,索引与存储,高性能计算,AI Infra
                   

科研情况 / Research

19
发表论文总数
11
CCF-A类会议
3
CCF-A类期刊
2
论文获奖

* 为通讯作者(* Corresponding Author)

2026
  • LICO: An SIMD-Aware High-Performance Learned Inverted Index Compression Framework
    Xianyu Zhu,             Qiyu Liu*, Guangyi Zhang, Zhibing Sha, Jianwei Liao, Sha Hu, Lei Chen
    ACM SIGMOD 2026             CCF-A             Conference    
  • Intra-request Lag-aware Cache Management to Enhance I/O Responsiveness of SSDs
    Shiyu Zhong, Jiaojiao Wu, Xinyu Guo, Fan Yang, Aobo Yang,             Qiyu Liu, Zhigang Cai, Jianwei Liao
    ACM TACO             CCF-A             Journal    
2025
  • Shapley-Based Data Valuation for Weighted k-Nearest Neighbors
    Guangyi Zhang,             Qiyu Liu*, Aristides Gionis*
    NeurIPS 2025             CCF-A             Conference    
  • Localized Data Shapley: Accelerating Valuation for Nearest Neighbor Algorithms
    Guangyi Zhang, Yanhao Wang, Chengliang Chai,             Qiyu Liu, Wei Wang
    NeurIPS 2025             CCF-A             Conference    
  • Not Small Enough? SegPQ: A Learned Approach to Compress Product Quantization Codebooks
    Qiyu Liu*, Yanlin Qi, Siyuan Han, Jingshu Peng, Jin Li, Lei Chen
    VLDB 2025             CCF-A             Conference    
  • Why Are Learned Indexes So Effective but Sometimes Ineffective?
    Qiyu Liu*, Siyuan Han, Yanlin Qi, Jingshu Peng, Jin Li, Longlong Lin, Lei Chen
    VLDB 2025             CCF-A             Conference    
  • From Sancus to SancusQ: Staleness and Quantization-Aware Full-Graph Decentralized Training in Graph Neural Networks
    Jingshu Peng,             Qiyu Liu, Zhao Chen, Yingxia Shao, Yanyan Shen, Lei Chen, Jiannong Cao
    The VLDB Journal (VLDBJ) 2025             CCF-A             Journal    
  • How Good Are Multi-dimensional Learned Indices? An Experimental Survey
    Qiyu Liu*, Maocheng Li, Yuxiang Zeng, Yanyan Shen, Lei Chen
    The VLDB Journal (VLDBJ) 2025             CCF-A             Journal    
  • BitTuner: A Toolbox for Automatically Configuring Learned Data Compressors
    Qiyu Liu, Yuxin Luo, Mengke Cui, Siyuan Han, Jingshu Peng, Jin Li, Lei Chen
    ICDE 2025             CCF-A             System Demo    
2024
  • SanQus: Staleness and Quantization-Aware Full-Graph Decentralized Training in GNNs
    Hongbo Yin, Jingshu Peng,             Qiyu Liu, Zhao Chen, Yingxia Shao, Yanyan Shen, Lei Chen, Jiannong Cao
    SC 2024 (Research Poster)             CCF-A             Best Poster Finalist    
  • GSD-GNN: Generalizable and Scalable Algorithms for Decoupled Graph Neural Networks
    Yunfeng Yu, Longlong Lin,             Qiyu Liu, Zeli Wang, Xi Ou, Tao Jia
    ICMR 2024             CCF-B             Conference    
2022
  • HAP: An Efficient Hamming Space Index Based on Augmented Pigeonhole Principle
    Qiyu Liu, Yanyan Shen, and Lei Chen
    SIGMOD 2022             CCF-A             Conference    
2021
  • LHist: Towards Learning Multi-dimensional Histogram for Massive Spatial Data
    Qiyu Liu, Yanyan Shen, and Lei Chen
    ICDE 2021             CCF-A             Conference    
  • Efficiently Discovering Regions of Interest with User-Defined Score Function
    Qiyu Liu, Libin Zheng, Xiang Lian, and Lei Chen
    DASFAA 2021             CCF-B             Conference    
2020
  • Stable Learned Bloom Filters for Data Streams
    Qiyu Liu, Libin Zheng, Yanyan Shen, and Lei Chen
    VLDB 2020             CCF-A             Conference    
  • RIDE: A System for Generalized Region of Interest Discovery and Exploration
    Qiyu Liu, Libin Zheng, and Lei Chen
    ICDE 2020             CCF-A             Conference    
  • Finish Them on the Fly: An Incentive Mechanism for Real-Time Spatial Crowdsourcing
    Qiyu Liu, Libin Zheng, Yanyan Shen, and Lei Chen
    DASFAA 2020             CCF-B             Best Paper Runner-up Award    
2019
  • Probabilistic Maximum Range-Sum Queries on Spatial Database
    Qiyu Liu, Xiang Lian, and Lei Chen
    ACM SIGSPATIAL 2019             Conference             Best Paper Nomination    
  • Social-Aware Optimal Electric Vehicle Charger Deployment on Road Network
    Qiyu Liu, Yuxiang Zeng, Lei Chen, and Xiuwen Zheng
    ACM SIGSPATIAL 2019             Conference    
                   

教学工作 / Teaching

操作系统原理(本科生课程)
                   

获奖情况 / Awards

新重庆引才计划-优秀青年专项(省部级人才,2024)
SC 2024 Best Poster Finalist(2024)
DASFAA 2020 Best Paper Runner-up Award(2020)
ACM SIGSPATIAL 2019 Best Paper Nomination(2019)
                   

学术兼职 / Academic Service

程序委员会委员:SIGKDD 2024, ICDE 2024, AISTATS 2022

期刊审稿人:VLDB Journal, IEEE TKDE, IEEE TKDD, IEEE TBD

                   

学生培养 / Students

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