What are collaborative filtering algorithms?
Collaborative filtering algorithms are techniques used in recommendation systems to predict user preferences based on past behavior.
How do they work in practice?
They analyze user-item interactions, finding patterns among users with similar tastes to suggest items they haven't interacted with yet.
Can you give me an example of where they are used?
Sure! They're commonly used in platforms like Netflix and Amazon to recommend movies or products based on user preferences.
What are the main types of collaborative filtering?
The two main types are user-based and item-based collaborative filtering, each focusing on different aspects of user interactions.
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