高级算法 (Fall 2017)/Hashing and Sketching

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Count Distinct Elements

First trial: an estimator by hashing

Flajolet-Martin algorithm

Markov and Chebyshev inequality

Analysis of Flajolet-Martin estimator

Membership of Set

Perfect hashing

FKS perfect hashing

Cuckoo hashing

Approximate set membership

Bloom filter

Heavy Hitter

Count-min sketch

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