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4 cards from this section. Quick, good the night before a test.
What are the three primary types of data needed for a recommender system?
Think about the information that defines users and items.
Why is item data important in recommender systems?
Consider what features or characteristics describe an item.
What types of data are needed to build a recommender system?
Recall the different types discussed.
True or False: Interaction data includes numerical ratings and clicks.
Think about examples of user engagement.
Imagine a recommender system that only has user data but no item data. What issues might arise in this scenario?
Consider what information is needed to make personalized suggestions.
Design a strategy for addressing the cold start problem for new users in a recommender system.
Think about quick ways to gain insight into user preferences.
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