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cs.IT2026
Weak Private Information Retrieval for Graph-based Storage
Shodasakshari Vidya, Chandan Anand, Prasad Krishnan
A distributed storage system with graph-based replication consists of a collection of databases and the files they contain. The databases (or servers) are represented as the vertic…
cs.IT2026
On the Optimal Message Size in PIR Under Arbitrary Collusion Patterns
Guru S. Dornadula, Manikya Pant, Gowtham R. Kurri +1
A private information retrieval protocol (PIR) scheme under an arbitrary collusion pattern enables a client to retrieve one message from a library of equal-sized…
cs.IT2026
Converse Bounds for Sun-Jafar-type Weak Private Information Retrieval
Chandan Anand, Jayesh Seshadri, Prasad Krishnan +1
Building on the well-established capacity-achieving schemes of Sun-Jafar (for replicated storage) and the closely related scheme of Banawan-Ulukus (for MDS-coded setting), a recent…