学历: 博士

职称: 教授

部门: 计算机科学系

邮件地址: qyliu.cs@gmail.com

研究方向: 数据库查询优化，AI4DB，机器学习系统，大模型推理加速

个人主页：qyliu-hkust.github.io

个人简介

刘棋毓，博士、教授，于2017年6月获得电子科技大学计算机科学与技术专业学士学位，于2022年2月获得香港科技大学计算机科学及工程学专业博士学位。2022年3月至2024年2月先后任香港科技大学博士后研究员、香港应用科学研究院高级研发工程师、深圳计算科学研究院研究员。主要研究领域为数据库查询优化、AI4DB、机器学习系统及大模型推理加速。今年来以第一作者身份在数据库及数据分析领域的顶级国际会议发表多篇论文，包括ACM SIGMOD、VLDB、IEEE ICDE等。获2019年ACM SIGSPATIAL最佳论文奖提名及2020年DASFAA最佳论文奖Runner-up。多次担任国际会议SIGMOD、VLDB、ICDE、ICDM、CIKM、DASFAA、AISTATS等及国际期刊TKDE、TBD、TKDD的审稿人及程序委员会委员。

科研情况

第一作者论文：

[1] Liu Qiyu,   Yanyan Shen, and Lei Chen. "HAP: an efficient hamming space index based   on augmented pigeonhole principle." Proceedings of the 2022   International Conference on Management of Data (SIGMOD). 2022.（CCF-A类会议）

[2] Liu Qiyu,   Yanyan Shen, and Lei Chen. "LHist: towards learning multi-dimensional   histogram for massive spatial data." 2021 IEEE 37th International   Conference on Data Engineering (ICDE). IEEE, 2021. （CCF-A类会议）

[3] Liu Qiyu,   Libin Zheng, Xiang Lian, and Lei Chen. "Efficiently Discovering Regions   of Interest with User-Defined Score Function." Database Systems for   Advanced Applications: 26th International Conference, DASFAA 2021, Taipei,   Taiwan, April 11–14, 2021, Proceedings, Part I 26. Springer International   Publishing, 2021. （CCF-B类会议）

[4] Liu Qiyu,   Libin Zheng, Yanyan Shen, and Lei Chen. "Stable learned bloom filters   for data streams." Proceedings of the VLDB Endowment 13.12 (2020):   2355-2367. （CCF-A类会议）

[5] Liu Qiyu,   Libin Zheng, and Lei Chen. "RIDE: A System for Generalized Region of   Interest Discovery and Exploration." 2020 IEEE 36th International   Conference on Data Engineering (ICDE). IEEE, 2020. （CCF-A类会议）

[6] Liu Qiyu,   Libin Zheng, Yanyan Shen, and Lei Chen. "Finish them on the fly: An   incentive mechanism for real-time spatial crowdsourcing." Database   Systems for Advanced Applications: 25th International Conference, DASFAA   2020, Jeju, South Korea, September 24–27, 2020, Proceedings, Part II 25.   Springer International Publishing, 2020. （CCF-B类会议、Best Paper Runner-up Award）

[7] Liu Qiyu,   Xiang Lian, and Lei Chen. "Probabilistic maximum range-sum queries on   spatial database." Proceedings of the 27th ACM SIGSPATIAL International   Conference on Advances in Geographic Information Systems. 2019. （Best Paper Nomination）

[8] Liu Qiyu,   Yuxiang Zeng, Lei Chen, and Xiuwen Zheng. "Social-aware optimal electric   vehicle charger deployment on road network." Proceedings of the 27th ACM   SIGSPATIAL International Conference on Advances in Geographic Information   Systems. 2019.

获奖情况

[1] DASFAA 2020   Best Paper Runner-up Award

[2] ACM   SIGSPATIAL 2019 Best Paper Nomination

[3] ACM   SIGSPATIAL 2019 Travel Grant

[4] HKUST PhD   Scholarship 2017-2022

备注

欢迎对数据库、AI推理加速及大数据分析领域感兴趣并希望发表高水平论文的本科生及研究生随时与我联系！