6.2 Recommendations Worth a Million: An Introduction to Clustering

6.2 Recommendations Worth a Million: An Introduction to Clustering

Quick Question

Let’s consider a recommendation system on Amazon.com, an online retail site.

If Amazon.com constructs a recommendation system for books, and would like to use the same exact algorithm for shoes, what type would it have to be?

 Collaborative Filtering  check
 
 Content Filtering  close
 
Check Show Solution

Explanation In the first case, the recommendation system would have to be collaborative filtering, since it can't use information about the items. In the second case, the recommendation system would be content filtering since other users are not involved.

If Amazon.com would like to suggest books to users based on the previous books they have purchased, what type of recommendation system would it be?

 Collaborative Filtering  close
 
 Content Filtering  check
 
Check Show Solution

Explanation In the first case, the recommendation system would have to be collaborative filtering, since it can't use information about the items. In the second case, the recommendation system would be content filtering since other users are not involved.

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