PSSR generalizes MPIR to structured demand families, derives converse bounds on rate and subpacketization, and provides an optimization framework that recovers known MPIR schemes while improving on them for restricted demands.
On the Existence of XOR-Based Codes for Private Information Retrieval with Private Side Information
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Private Structured-Subset Retrieval
PSSR generalizes MPIR to structured demand families, derives converse bounds on rate and subpacketization, and provides an optimization framework that recovers known MPIR schemes while improving on them for restricted demands.