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Shreya Meel

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Preprint Aug 2026

Local Private Information Retrieval for Graph-Based Replicated Systems

We rethink the definition of privacy in multi-server, graph-replicated private information retrieval (PIR) systems, by introducing a novel setting where the user's privacy is governed by the servers'storage structure. In classical graph-replicated PIR, the user retrieves a single message stored at the servers, while hi...

Shreya Meel, M. Nomeir, S. Ulukus · 1 citation · ⚡1
Preprint Sep 2026

Private Information Retrieval With Arbitrary Privacy Requirements: Introduction and Capacity Results

In this paper, we introduce the problem of private information retrieval (PIR) under arbitrary privacy requirements, in a graph-based storage system. This formulation is motivated by the server storage limitations, abundance of data (messages) and heterogeneous data privacy requirements. Under the arbitrary privacy req...

M. Nomeir, Shreya Meel, S. Ulukus · 0 citations

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