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collaborative filtering in rails [closed]

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I'm looking for a solution for collaborative filtering in rails or even possible examples. So far I have only found acts_as_recommendable which looks useful but I noticed it hasn't had any updates in the last 2 years.

Does anyone know of any other solutions and/or examples?


Have you evaluated Apache Mahout? It is a Java based solution, with HTTP access to recommendation engine.

Reference:

Introducing Mahout


This pertains to the examples part of your question, as both the libraries mentioned below are in Java.

The article referenced in above answer, written by Apache Mahout-Taste library author, has neat examples, source code of the examples( using 2.5GB wikipedia data) , and an excellent packaging to run and see those examples in action, in a few minutes.

Apache Mahout-Taste

The specific section is Building a recommendation engine

Here is another open source recommendation engine. easyrec


In 2013, there's the ActiveRecord Reputation System gem by Twitter. There's also a free RailsCast on the topic.


here is a 50 line recommendation system in Ruby: http://www.igvita.com/2007/01/15/svd-recommendation-system-in-ruby/

there is one link there which doesn't work (when he says "mathies click here" it points to Using linear algebra for intelligent information retrieval by Berry et al.: http://www2.denizyuret.com/ref/berry/berry95using.pdf )

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