In the context of personalization technology,what is the drawback of collaborative filtering (CF)?
A)Collaborative filtering does not work well for a single product category.
B)Collaborative filtering needs a large sample of users and content to work well.
C)Collaborative filtering can accept inputs from only one data source at a time.
D)Collaborative filtering is useful for making recommendations across unrelated categories.

Question

Quizplus · Accepted Answer

The drawback of collaborative filtering is that it needs a large sample of users and content to work well. This can be a challenge for smaller businesses or niche markets with limited user data.

In the Context of Personalization Technology,what Is the Drawback of Collaborative