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In a previous post I talked about a Co-occurrence Approach to an Item Based Recommender , that utilized the Math.Net Numerics library. Recently the Math.Net Numerics library was updated to version 2.3.0. With this version of the library I was able to update the code to more efficiently read the Sparse...

As promised, to conclude the Co-occurrence Approach to an Item Based Recommender posts I wanted to port the MapReduce code to C#; just for kicks and to prove the code is also easy to write in C#. For an explanation of the MapReduce post review the previous article: http://blogs.msdn.com/b/carlnol/archive...

In a previous post I covered the basics for a Co-occurrence Approach to an Item Based Recommender . As promised, here is the continuation of this work, an implementation of the same algorithm using MapReduce. Before reading this post it will be worth reading the Local version as it covers the sample...

For a while I thought I would tackle the problem of creating an item-based recommender. Firstly I will start with a local variant before moving onto a MapReduce version. The current version of the code can be found at: http://code.msdn.microsoft.com/Co-occurrence-Approach-to-57027db7 The approach taken...