21 citations · 117 across the 32 of their papers we have counts for
7 papers · 1 filter
Panda: Partitioned Data Security on Outsourced Sensitive and Non-sensitive Data
Sharad Mehrotra, Shantanu Sharma, Jeffrey D. Ullman +2
Despite extensive research on cryptography, secure and efficient query processing over outsourced data remains an open challenge. This paper continues along with the emerging trend…
Quest: Practical and Oblivious Mitigation Strategies for COVID-19 using WiFi Datasets
Peeyush Gupta, Sharad Mehrotra, Nisha Panwar +3
Contact tracing has emerged as one of the main mitigation strategies to prevent the spread of pandemics such as COVID-19. Recently, several efforts have been initiated to track ind…
Obscure: Information-Theoretically Secure, Oblivious, and Verifiable Aggregation Queries on Secret-Shared Outsourced Data -- Full Version
Peeyush Gupta, Yin Li, Sharad Mehrotra +3
Despite exciting progress on cryptography, secure and efficient query processing over outsourced data remains an open challenge. We develop a communication-efficient and informatio…
Canopy: A Verifiable Privacy-Preserving Token Ring based Communication Protocol for Smart Homes
Nisha Panwar, Shantanu Sharma, Guoxi Wang +2
This paper focuses on the new privacy challenges that arise in smart homes. Specifically, the paper focuses on inferring the user's activities -- which may, in turn, lead to the us…
LOCATER: Cleaning WiFi Connectivity Datasets for Semantic Localization
Yiming Lin, Daokun Jiang, Roberto Yus +4
This paper explores the data cleaning challenges that arise in using WiFi connectivity data to locate users to semantic indoor locations such as buildings, regions, rooms. WiFi con…
Sieve: A Middleware Approach to Scalable Access Control for Database Management Systems
Primal Pappachan, Roberto Yus, Sharad Mehrotra +1
Current approaches of enforcing FGAC in Database Management Systems (DBMS) do not scale in scenarios when the number of policies are in the order of thousands. This paper identifie…