1 citations · 1 across the 3 of their papers we have counts for
3 papers
cs.DB2023
Efficient and Accurate Range Counting on Privacy-preserving Spatial Data Federation [Technical Report]
Maocheng Li, Yuxiang Zeng, Lei Chen
A spatial data federation is a collection of data owners (e.g., a consortium of taxi companies), and collectively it could provide better location-based services (LBS). For example…
cs.DB2023
Accurate and Efficient Trajectory-based Contact Tracing with Secure Computation and Geo-Indistinguishability
Maocheng Li, Yuxiang Zeng, Libin Zheng +2
Contact tracing has been considered as an effective measure to limit the transmission of infectious disease such as COVID-19. Trajectory-based contact tracing compares the trajecto…
cs.CR2021★ 1 cited
Privacy-Preserving Batch-based Task Assignment in Spatial Crowdsourcing with Untrusted Server
Maocheng Li, Jiachuan Wang, Libin Zheng +4
In this paper, we study the privacy-preserving task assignment in spatial crowdsourcing, where the locations of both workers and tasks, prior to their release to the server, are pe…