September 2015
Beginner to intermediate
608 pages
13h 43m
English
Within the field of collaborative filtering, we can usefully make the distinction between two types of filtering—item-based and user-based recommenders. With item-based recommenders, we take a set of items that a user has already rated highly and look for other items that are similar. The process is visualized in the next diagram:

A recommender might recommend item B, based on the information presented in the diagram, since it's similar to two items that are already highly rated.
We can contrast this approach to the process of a user-based recommendation shown in the following diagram. A user-based recommendation ...
Read now
Unlock full access