Hai is a Ph.D. student at RMIT University under the supervision of Prof. Zhifeng Bao and Prof. Shane Culpepper. Hai obtained his bachelor's degree and master's degree (supervisor A/Prof. Yuwei Peng) in 2017 and 2020 at Wuhan Univerity.
Email: hai.lan@student.rmit.edu.au
Query optimization
Indexing techniques in the database system
Applying learning methods on DB problems
Trajectory processing and management
RMIT Research Stipend Scholarship (May. 2021)
Second-Class Scholarship, Wuhan University (Dec. 2019)
2017 CCF National Excellent College Student
National Scholarship (2/220), Wuhan University (Oct. 2015)
First-Class Scholarship (10/220), Wuhan University (Oct. 2014)
Hai Lan, Shixun Huang, Zhifeng Bao, Renata Borovica-Gajic.
Cardinality Estimation for Similarity Search on High-Dimensional Data Objects: The Impact of Reference Objects
VLDB 2025
Hai Lan, Zhifeng Bao, J. Shane Culpepper, Renata Borovica-Gajic, Yu Dong
A Fully On-Disk Updatable Learned Index
ICDE 2024
Hai Lan, Zhifeng Bao, J. Shane Culpepper, Renata Borovica-Gajic
Updatable Learned Indexes Meet Disk-Resident DBMS - From Evaluations to Design Choices
SIGMOD 2023
Hai Lan, Yuanjia Zhang, Yu Dong, Dongxu Huang, Liu Tang, Jian Zhang:
Why Query Plans Are Different: An Automatic Detection and Inference System.
Australasian Database Conference (ADC) 2023
Hai Lan, Jiong Xie, Zhifeng Bao, Feifei Li, Wei Tian, Fang Wang, Sheng Wang, Ailin Zhang
VRE: A Versatile, Robust, and Economical Trajectory Data System
VLDB 2022.
Hai Lan, Yuanjia Zhang, Zhifeng Bao, Yu Dong, Dongxu Huang, Liu Tang, Jian Zhang
AutoDI: Towards an Automatic Plan Regression Analysis
VLDB 2022 (Demo)
Juntao Zhang, Hai Lan, Xiandi Yang, Shuaichao Zhang, Wei Song, Zhiyong Peng.
Weakly supervised setting for learning concept prerequisite relations using multi-head attention variational graph auto-encoders
Knowledge-Based Systems 2022
Hai Lan, Zhifeng Bao, Yuwei Peng
A Survey on Advancing the DBMS Query Optimizer: Cardinality Estimation, Cost Model, and Plan Enumeration
Data Sci. Eng. 2021
Hai Lan, Zhifeng Bao, Yuwei Peng
An Index Advisor Using Deep Reinforcement Learning code
CIKM 2020
Yuwei Peng, Hai Lan, Mingling Yue, Yu Xue
Multipurpose watermarking for vector map protection and authentication
Multimedia Tools Appl. 2018
Hai Lan, Yuwei Peng
Reversible Fragile Watermarking for Fine-Grained Tamper Localization in Spatial Data
Australasian Database Conference (ADC) 2017
External Reviewer: ICDE'23, VLDB'24
PC Member: CIKM'21, WSDM'23, EDBT'26, ICDE'26
Senior PC Member: CIKM'24, CIKM'25
Tutor: Big Data Management (COSC2636) @RMIT 2024
WWW'25, ADC'23, DASFAA'25