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Java Deep Learning Projects by Md. Rezaul Karim

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Collaborative filtering approaches

By using CF approaches, an RE can be built based on a user's past behavior. Numerical ratings are given on consumed items. Sometimes, it can be based on the decisions made by other users who also have purchased the same items using some widely used data mining algorithms such as Apriori or FP-growth. In the following diagram, you can get some idea of the different recommendation systems:

A comparative view of different recommendation systems

Even though these are successful recommendation systems, CF-based approaches often suffer from the following three problems:

  • Cold start: Sometimes, they can become stuck ...

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