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 Single Server Private Information Retrieval With Private Coded 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.