1. Collaborative filtering could be based on all of these EXCEPT which?Browsing historySimilar customers' purchasesPurchase historyIn-store purchases
Question
- Collaborative filtering could be based on all of these EXCEPT which?Browsing historySimilar customers' purchasesPurchase historyIn-store purchases
Solution
The answer is "In-store purchases". Collaborative filtering is a method used by recommender systems, which are typically online platforms. They make predictions about the interests of a user by collecting preferences from many users. This method assumes that if a person A has the same opinion as a person B on an issue, A is more likely to have B's opinion on a different issue.
While browsing history, similar customers' purchases, and purchase history can all be tracked online and used for collaborative filtering, in-store purchases may not necessarily be tracked or linked to an individual user's online profile, especially if the purchase is made in cash or if the store does not have a system for tracking
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