The Analytics Edge

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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