Search Results for author: Ananth Raghunathan

Found 4 papers, 1 papers with code

Information Leakage in Embedding Models

no code implementations31 Mar 2020 Congzheng Song, Ananth Raghunathan

We demonstrate that embeddings, in addition to encoding generic semantics, often also present a vector that leaks sensitive information about the input data.

Sentence Sentence Embeddings

That which we call private

no code implementations8 Aug 2019 Úlfar Erlingsson, Ilya Mironov, Ananth Raghunathan, Shuang Song

Instead, the definitions so named are the basis of refinements and more advanced analyses of the worst-case implications of attackers---without any change assumed in attackers' powers.

Amplification by Shuffling: From Local to Central Differential Privacy via Anonymity

no code implementations29 Nov 2018 Úlfar Erlingsson, Vitaly Feldman, Ilya Mironov, Ananth Raghunathan, Kunal Talwar, Abhradeep Thakurta

We study the collection of such statistics in the local differential privacy (LDP) model, and describe an algorithm whose privacy cost is polylogarithmic in the number of changes to a user's value.

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