Publications
You can find my publications on my dblp profile or my Google Scholar profile.
Disclaimers: The materials below have been provided by the author(s) as a means to ensure timely dissemination of scholarly and technical work on a noncommercial basis. Copyright and all rights therein are maintained by the author(s) or by other copyright holders, although the electronical work has been provided by the author(s). These materials may not be re-distributed without the explicit permission of the copyright holders.
Conference Papers
Yuxiang Zeng, Yongxin Tong, Lei Chen. “LiteHST: A Tree Embedding based Method for Similarity Search.” ACM SIGMOD International Conference on Management of Data (SIGMOD), 2023 (To appear).
Yuxiang Zeng, Yongxin Tong, Lei Chen. “Faster and better solution to embed Lp metrics by tree metrics.” ACM SIGMOD International Conference on Management of Data (SIGMOD), 2022. [PDF] [Full Paper] [Slides] [Code&Data]
Yongxin Tong, Xuchen Pan, Yuxiang Zeng, et al. “Hu-Fu: Efficient and Secure Spatial Queries over Data Federation.” International Conference on Very Large Data Bases (VLDB), 2022. [PDF] [Code&Data]
Yuxiang Zeng, Yongxin Tong, Lei Chen. “HST+: An Efficient Index for Embedding Arbitrary Metric Spaces.” IEEE International Conference on Data Engineering (ICDE), 2021. [PDF] [Full Paper] [Slides] [Code&Data]
Yuxiang Zeng, Yongxin Tong, Yuguang Song, Lei Chen. “The Simpler The Better: An Indexing Approach for Shared-Route Planning Queries.” International Conference on Very Large Data Bases (VLDB), 2021. [PDF] [Slides] [Code&Data (to appear)]
Qian Tao, Yongxin Tong, Shuyuan Li, Yuxiang Zeng, et al. “A Differentially Private Task Planning Framework for Spatial Crowdsourcing.” 22nd IEEE International Conference on Mobile Data Management (MDM), 2021. (Best paper award) [PDF]
Yuxiang Zeng, Yongxin Tong, Lei Chen. “Last-Mile Delivery Made Practical: An Efficient Route Planning Framework with Theoretical Guarantees.” International Conference on Very Large Data Bases (VLDB), 2020. [PDF] [Slides] [Code&Data]
Zhao Chen, Peng Cheng, Yuxiang Zeng, Lei Chen. “Minimizing Maximum Delay of Task Assignment in Spatial Crowdsourcing.” IEEE International Conference on Data Engineering (ICDE), 2019. [PDF]
Yuxiang Zeng, Yongxin Tong, Lei Chen, Zimu Zhou. “Latency-Oriented Task Completion via Spatial Crowdsourcing.” IEEE International Conference on Data Engineering (ICDE), 2018. [PDF] [Slides] [Code&Data]
Yongxin Tong, Yuxiang Zeng, Zimu Zhou, Lei Chen, Jieping Ye, Ke Xu. “A Unified Approach to Route Planning for Shared Mobility.” International Conference on Very Large Data Bases (VLDB), 2018. [PDF] [Slides] [Code&Data]
Boming Zhao, Pan Xu, Yexuan Shi, Yongxin Tong, Zimu Zhou, Yuxiang Zeng. “Preference-Aware Task Assignment in On-Demand Taxi Dispatching: An Online Stable Matching Approach.” AAAI Conference on Artificial Intelligence (AAAI), 2019. [PDF] [Code&Data]
Qian Tao, Yuxiang Zeng, Zimu Zhou, Yongxin Tong, Lei Chen, Ke Xu. “Multi-Worker-Aware Task Planning in Real-Time Spatial Crowdsourcing.” International Conference on Database Systems for Advanced Applications (DASFAA), 2018. [PDF] [Code&Data]
Qiyu Liu, Yuxiang Zeng, Lei Chen, Xiuwen Zheng. “Social-Aware Optimal Electric Vehicle Charger Deployment on Road Network.” ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (SIGSPATIAL), 2019. [PDF]
Journal Papers
Yongxin Tong, Yuxiang Zeng, Zimu Zhou, Lei Chen, Ke Xu. “Unified route planning for shared mobility: an insertion-based framework.” ACM Transactions on Database Systems (ACM TODS), 2022. [PDF]
Yexuan Shi, Yongxin Tong, Yuxiang Zeng, Zimu ZHou, Bolin Ding, Lei Chen. “Efficient Approximate Range Aggregation over Large-scale Spatial Data Federation.” IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), 2022. [PDF]
Yongxin Tong, Zimu Zhou, Yuxiang Zeng, Lei Chen, Cyrus Shahabi. “Spatial Crowdsourcing: A Survey.” The VLDB Journal, 29(1): 217-250, 2020. [PDF]
Yongxin Tong, Yuxiang Zeng, Bolin Ding, Libin Wang, Lei Chen. “Two-Sided Online Micro-Task Assignment in Spatial Crowdsourcing.” IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), 2021. [PDF] [Code&Data]
Yiming Li, Jingzhi Fang, Yuxiang Zeng, Balz Maag, Yongxin Tong, Lingyu Zhang. “Two-sided Online Bipartite Matching in Spatial Data: Experiments and Analysis.” GeoInformatica 24(1): 175-198, 2020. [PDF] [Code&Data]
Yansheng Wang, Tianshu Song, Qian Tao, Yuxiang Zeng, Zimu Zhou, Yi Xu, Yongxin Tong, Lei Chen. “Interaction Management in Crowdsourcing.” IEEE Data Engineering Bulletin, 42(4): 23-34, 2019. [PDF]
Short Papers and System Demontrations
Siyuan Han, Zihuan Xu, Yuxiang Zeng, Lei Chen. “Fluid: A Blockchain based Framework for Crowdsourcing.” ACM SIGMOD International Conference on Management of Data (SIGMOD), 2019. [PDF]
Xuchen Pan, Yongxin Tong, Chunbo Xue, Zimu Zhou, Junping Du, Yuxiang Zeng, et al. “Hu-Fu: A Data Federation System for Secure Spatial Queries.” International Conference on Very Large Data Bases (VLDB), 2022. [PDF] [Code&Data]