Nagu, This should more than get you going: http://lucene.apache.org/mahout/taste.html
And half way down the page: http://lucene.apache.org/mahout/taste.html#Item-based+Recommender Otis -- Sematext -- http://sematext.com/ -- Lucene - Solr - Nutch ----- Original Message ---- > From: Nagu <thog...@gmail.com> > To: mahout-user@lucene.apache.org > Sent: Sunday, May 24, 2009 7:48:51 PM > Subject: Item-based Collaborative Filtering > > Hi, > > I need some guidance in implementing item-based Collaborative Filtering in > Mahout. > > To give an example, I built a recommendation engine using python (and I > don't know damn about programming in general) last year based on some real > customer data from my company (e.g. customers who bought this stuff also > bought these...). I have some SQL procedures that spits the data for the CF > algorithm, and the python program crunches the dataset, and spits out the > recommendations for each customer (up to 50 recommended items) and it saves > recommendations in a database. I created a simple web framework using django > to present the recommendations given a customer ID. So sales teams can go to > an intranet page and get recommendations for any given customers. I update > the whole recommendations output every 15 days. > > I want to produce something like this using Mahout just to get a feel of > Mahout. It will be something like, take this customer purchase history, and > run the item-based CF algorithm, give me the recommendations for a given > customer and save it in a database for me. > > Where can I find some step by step implementation of some examples in > Mahout. I want to understand how this whole thing works and I want to start > tinkering with some real time data from the company where I work. I also > want to build some abstraction into this machine learning so that I can use > the output that comes out of Mahout and feed to internal business/customer > process and apply some business logic on top of this to make the results > more meaningful. > > I am not sure if I am asking for too much, but I think I definitely need > some guidance. > > Thank you, > Nagu
