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James McKinney committed Jan 6, 2015
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2 changes: 1 addition & 1 deletion LICENSE
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Copyright (c) 2012 Open North Inc.
Copyright (c) 2012 James McKinney

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
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14 changes: 5 additions & 9 deletions README.md
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# Ruby Vector Space Model (VSM) with tf*idf weights

[![Gem Version](https://badge.fury.io/rb/tf-idf-similarity.svg)](http://badge.fury.io/rb/tf-idf-similarity)
[![Build Status](https://secure.travis-ci.org/opennorth/tf-idf-similarity.png)](http://travis-ci.org/opennorth/tf-idf-similarity)
[![Dependency Status](https://gemnasium.com/opennorth/tf-idf-similarity.png)](https://gemnasium.com/opennorth/tf-idf-similarity)
[![Coverage Status](https://coveralls.io/repos/opennorth/tf-idf-similarity/badge.png?branch=master)](https://coveralls.io/r/opennorth/tf-idf-similarity)
[![Code Climate](https://codeclimate.com/github/opennorth/tf-idf-similarity.png)](https://codeclimate.com/github/opennorth/tf-idf-similarity)
[![Build Status](https://secure.travis-ci.org/jpmckinney/tf-idf-similarity.png)](http://travis-ci.org/jpmckinney/tf-idf-similarity)
[![Dependency Status](https://gemnasium.com/jpmckinney/tf-idf-similarity.png)](https://gemnasium.com/jpmckinney/tf-idf-similarity)
[![Coverage Status](https://coveralls.io/repos/jpmckinney/tf-idf-similarity/badge.png?branch=master)](https://coveralls.io/r/jpmckinney/tf-idf-similarity)
[![Code Climate](https://codeclimate.com/github/jpmckinney/tf-idf-similarity.png)](https://codeclimate.com/github/jpmckinney/tf-idf-similarity)

Calculates the similarity between texts using a [bag-of-words](http://en.wikipedia.org/wiki/Bag_of_words_model) [Vector Space Model](http://en.wikipedia.org/wiki/Vector_space_model) with [Term Frequency-Inverse Document Frequency (tf*idf)](http://en.wikipedia.org/wiki/Tf–idf) weights. If your use case demands performance, use [Lucene](http://lucene.apache.org/core/) (see below).

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Lucene can even [combine similarity measures](http://lucene.apache.org/core/4_0_0/core/org/apache/lucene/search/similarities/MultiSimilarity.html).

## Bugs? Questions?

This gem's main repository is on GitHub: [http://github.com/opennorth/tf-idf-similarity](http://github.com/opennorth/tf-idf-similarity), where your contributions, forks, bug reports, feature requests, and feedback are greatly welcomed.

Copyright (c) 2012 Open North Inc., released under the MIT license
Copyright (c) 2012 James McKinney, released under the MIT license
5 changes: 2 additions & 3 deletions td-idf-similarity.gemspec
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s.name = "tf-idf-similarity"
s.version = TfIdfSimilarity::VERSION
s.platform = Gem::Platform::RUBY
s.authors = ["Open North"]
s.email = ["[email protected]"]
s.homepage = "http://github.com/opennorth/tf-idf-similarity"
s.authors = ["James McKinney"]
s.homepage = "http://github.com/jpmckinney/tf-idf-similarity"
s.summary = %q{Calculates the similarity between texts using tf*idf}
s.license = 'MIT'

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