Generic Recommender algorithm questions (using Mahout 0.4)

2011-07-06 Thread Carlos Seminario
Hi, I am a student of recommender systems and have been testing Mahout’s recommender system (user-based and item-based collaborative filtering) for the last few months and have a few basic questions: (1) GenericUserBasedRecommender Prediction calculation: I noticed that Mahout has implemented

Re: Generic Recommender algorithm questions (using Mahout 0.4)

2011-07-06 Thread Sean Owen
On Wed, Jul 6, 2011 at 10:02 PM, Carlos Seminario recsysu...@gmail.comwrote: Although this is certainly a sound approach, other approaches have been suggested in the literature as cited in https://cwiki.apache.org/confluence/display/MAHOUT/Recommender+Documentation. Can you please provide

Re: Generic Recommender algorithm questions (using Mahout 0.4)

2011-07-06 Thread Carlos Seminario
Sean: Thanks for your quick and detailed response. I think it's great (and am very appreciative!) that Mahout implemented the basic Collaborative Filtering algorithms because that means that a lot of the heavy lifting has already been done. The built-in Mahout evaluators also make it easier to