Theory Seminar: Bloom Filters in Adversarial Environments

אילון יוגב (מכון ויצמן למדע)
יום רביעי, 21.10.2015, 12:30
טאוב 201

Many efficient data structures use randomness, allowing them to improve upon deterministic ones. Usually, their efficiency and/or correctness are analyzed using probabilistic tools under the assumption that the inputs and queries are independent of the internal randomness of the data structure. In this talk, I'll consider data structures in a more robust model, which we call the adversarial model. Roughly speaking, this model allows an adversary to choose inputs and queries adaptively according to previous responses. Specifically, I'll consider a data structure known as "Bloom filter" and prove a tight connection between Bloom filters in this model and cryptography.

Joint work with Moni Naor.

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