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Mariagiovanna Rotundo

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Conference Open access 2026

Oblivious Complex Queries on Variable-Length Strings

A practical design that combines Ring ORAM to hide access patterns to outsourced data, with a Patricia trie for space-efficient search over variable-length strings to support search over variable-length string datasets in an ORAM scenario, while retaining efficient storage and access both on the client and the server i...

Mariagiovanna Rotundo, Giuseppe Persiano, P. Ferragina · 0 citations
Conference Open access 2026

Achieving Obliviousness in Compressed Data Structures

The first oblivious implementations of Rank and Select that require only a single ORAM access per operation, use O(1) client-side space, and add negligible client computation overhead are presented.

Mariagiovanna Rotundo, P. Ferragina · 0 citations

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