高级算法 (Fall 2017)/Hashing and Sketching: Difference between revisions

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=Count Distinct Elements=
=Distinct Elements=


== An estimator by hashing ==
== An estimator by hashing ==
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== Perfect hashing==
== Perfect hashing==


=== FKS perfect hashing===
== Bloom filter ==
 
==Approximate set membership==
 
=== Bloom filter ===


= Frequency Estimation=
= Frequency Estimation=


== Count-min sketch==
== Count-min sketch==

Latest revision as of 08:31, 10 October 2017

Distinct Elements

An estimator by hashing

Flajolet-Martin algorithm

Set Membership

Perfect hashing

Bloom filter

Frequency Estimation

Count-min sketch