How do recommendation systems work?

Question

I\'ve always been curious as to how these systems work. For example, how do netflix or Amazon determine what recommendations to make based on past purchases and/or ratings?

Answer 1

Ofcourse there is algorithms that will recommend you with prefered items. Different data mining techniques have been implemented for that. If you want more basic details on Recommender System then visit this blog. Here every basics has been covered to know about Recommender System.