I am using Spark to build a recommendation system prototype. After going through some tutorials, I have been able to train a MatrixFactorizationModel from my data. However, the model trained by Sp...

The latest release mahout 0.9 is only built on hadoop 1.x. (mvn clean install) How can I compile mahout for hadoop 2.0.x? Because When I was running the commands: hadoop jar mahout-examples-0....

I am puzzled about what the item-based recommendation is, as described in the book "Mahout in Action". There is the algorithm in the book: for every item i that u has no preference for yet for ev...