Dr. Zhe LI (李 喆) Email 1: huoju.lz@alibaba-inc.com Email 2: richie.li@connect.polyu.hk Biography

Dr. Zhe LI is currently a senior R&D engineer in the Database Department of Alibaba Cloud. Specifically, he focuses on the storage layer of AnalyticDB, a commercial cloud-oriented data warehouse. He received his Ph.D. degree in computer science from The Hong Kong Polytechnic University in 2022, supervised by Dr. Ken Yiu. He used to be a member of PolyU Database Research Group. Before that, he obtained his MSc degree in computer science from The Hong Kong University of Science and Technology and BEng degree in computer science from Sun Yat-sen University

Research Statement I have a broad interest in database technologies. My recent research works include learned index structure, self-tunning database, query-aware optimization, and spatial database. I mainly focus on improving query time efficiency.

Research Works and Publications (Code, data and supplementary materials, e.g., slides, posters, are available via email request) Tsz Nam Chan, Zhe Li, Leong Hou U, Reynold Cheng PLAME: Piecewise-Linear Approximate Measure for Additive Kernel SVM IEEE Transactions on Knowledge and Data Engineering (TKDE), 2023. Zhe Li, Tsz Nam Chan, Man Lung Yiu PAW: Data Partitioning Meets Workload Variance Proceedings of the 38th IEEE International Conference on Data Engineering (ICDE), Kuala Lumpur, Malaysia, May, 2022. Tsz Nam Chan, Zhe Li, Leong Hou U, Jianliang Xu, Reynold Cheng Fast Augmentation Algorithms for Network Kernel Density Visualization Proceedings of the 47th International Conference on Very Large Data Bases (PVLDB), Copenhagen, Denmark, August 2021. Zhe Li, Tsz Nam Chan, Man Lung Yiu, Christian S. Jensen PolyFit: Polynomial-based Indexing Approach for Fast Approximate Range Aggregate Queries Proceedings of the 24th International Conference on Extending Database Technology (EDBT), Nicosia, Cyprus, March 2021. Zhe Li, Yu Li, Man Lung Yiu A Spatial Insight for UGC Apps: Fast Similarity Search on Keyword-Induced Point Groups Proceedings of the 20th IEEE International Conference on Mobile Data Management (MDM), Hong Kong, June 2019. (PhD Forum) Zhe Li, Yu Li, Man Lung Yiu Fast Similarity Search on Keyword-Induced Point Groups Proceedings of the 26th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL), Seattle, Washington, November 2018.

Internships Research Engineer in Alibaba Cloud (Hangzhou, 2021) Researcher in Huawei Cloud (Xi'an, 2019) Software Developer in Hong Kong Asian Ark Technologies (Hong Kong, 2017) Technical Consultant in SAP (Beijing, 2015) Software Developer in National Engineering Research Center of Digital Life (Guangzhou, 2015)

Teaching Assistant COMP2432 Operating System, Spring 2021 COMP2012 Discrete Mathematics, Fall 2020 COMP1411 Introduction to Computer Systems, Spring 2020 COMP5434 Big Data Computing, Fall 2019 COMP5151 Advanced Database System, Spring 2019, Spring 2018 COMP5111 Database System and Management, Fall 2018 COMP3132 Business Intelligence and Customer Relationship Mangement, Fall 2017

Professional Activities Reviewer for EURASIP Journal on Wireless Communications and Networking 2022 Reviewer for Computer Networks (COMNET) 2020, 2021 Reviewer for Transactions on Intelligent Transportation Systems (T-ITS) 2020 Reviewer for Transactions on Emerging Telecommunications Technologies (ETT) 2020 Reviewer for IEEE Transactions on Computational Social Systems (TCSS) 2019 Reviewer for Database Systems for Advanced Applications (DASFAA) 2018

Recent Awards Student Travel Grant Award, MDM 2019, Hong Kong (2019) Department of Computing Annual Research Day, PolyU ---- Second Place (2018)

Public Welfare Projects LALA Smart Learning System for Department of Math, HKUST (Backend Developer, 2017) CDF Hong Kong Child Development Fund (Android Developer, 2017)

Patents 一种多维数据查询方法及装置 (A fast in memory multi-dimensional range query method, Patent for Invention, Application No.CN201911084216.X, Publication No.CN112783888A, onwership: Huawei)

Miscellaneous

Language: Mandarin (native), Cantonese, English, Japanese Things I like: badminton, hiking, anime, cat, electronic products...(updating) You may also find me in:

WeChat	Zhihu (blogs, in Chinese)	LinkedIn