Current Appointments & Affiliations
Adjunct Associate Professor of Computer Science
·
2024 - Present
Computer Science,
Trinity College of Arts & Sciences
Recent Publications
Differentially private explanations for aggregate query answers
Journal Article VLDB Journal · March 1, 2025 Differential privacy (DP) is the state-of-the-art and rigorous notion of privacy for answering aggregate database queries while preserving the privacy of sensitive information in the data. In today’s era of data analysis, however, it poses new challenges f ... Full text CiteInstance-optimal Truncation for Differentially Private Query Evaluation with Foreign Keys
Journal Article ACM Transactions on Database Systems · November 8, 2024 Answering SPJA queries under differential privacy (DP), including graph pattern counting under node-DP as an important special case, has received considerable attention in recent years. The dual challenge of foreign-key constraints combined with self-joins ... Full text CitePrivately Answering Queries on Skewed Data via Per-Record Differential Privacy
Conference Proceedings of the VLDB Endowment · January 1, 2024 We consider the problem of the private release of statistics (like pay roll) where it is critical to preserve the contribution made by a small number of outlying large entities. We propose a privacy formalism, per-record zero concentrated differential priv ... Full text CiteRecent Grants
RAISE: C-Accel Pilot - Track A1: Credible Open Knowledge Network
ResearchCo-Principal Investigator · Awarded by University of Texas at Arlington · 2019 - 2022RAPID: Poirot: From Contact Tracing to Private Exposure Detection
ResearchCo-Principal Investigator · Awarded by National Science Foundation · 2020 - 2022System P: A Private Data Analytics Engine Optimized for Utility
ResearchPrincipal Investigator · Awarded by University of Massachusetts - Amherst · 2015 - 2021View All Grants
Education, Training & Certifications
Cornell University ·
2008
Ph.D.