March 2019
Intermediate to advanced
642 pages
22h 54m
English
The user item matrix represents a user's preferences for an object, but, if read by columns, highlights who a certain movie was liked or disliked by. In this way, you can see how a similarity between two objects can also be expressed without the object matrix, simply by observing that the films that are liked by the same people are probably similar in some way.
Read now
Unlock full access