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Bloom::Filter 0.03

  Date Added: February 17, 2010  |  Visits: 1.163

Bloom::Filter

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Bloom::Filter is a sample Perl Bloom filter implementation. A Bloom filter is a probabilistic algorithm for doing existence tests in less memory than a full list of keys would require. The tradeoff to using Bloom filters is a certain configurable risk of false positives. This module implements a simple Bloom filter with configurable capacity and false positive rate. Bloom filters were first described in a 1970 paper by Burton Bloom, see http://portal.acm.org/citation.cfm?id=362692&dl=ACM&coll=portal. SYNOPSIS use Bloom::Filter my $bf = Bloom::Filter->new( capacity => 10, error_rate => .001 ); $bf->add( @keys ); while ( <> ) { chomp; print "Found $_n" if $bf->check( $_ ); }.

Requirements: No special requirements
Platforms: Linux
Keyword: Bloom Bloom Filter Bloomfilter Filter Libraries Perl Perl Bloom Programming Sample
Users rating: 0/10

License: Freeware Size: 4.1 KB
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