What is the performance wise way to update DataModel used for a Recommendation engine?
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I'm developing a recommendation engine using Mahout. but once i came to real life i face some issues:
- what is the best way to gather initially DataModel for userbased Recommender.?
- What's the performance wise way to feed the Recommender with data, Files or NoSql DB?
- How to update DataModel during Recommendation engine working?