11.2.2.a - User-based Collaborative Filtering
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Practice Questions
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What is user-based collaborative filtering?
💡 Hint: Think about how friends might recommend movies to each other.
What is the cold start problem?
💡 Hint: Consider what happens when someone joins a new platform.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does user-based collaborative filtering rely on?
💡 Hint: Think about whose opinions are most influential in recommendations.
True or False: User-based collaborative filtering requires that the items have detailed feature data.
💡 Hint: Consider if features play a role in recommendations.
1 more question available
Challenge Problems
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Propose a mixed strategy to handle the cold start problem for a new social media platform aiming to recommend posts effectively.
💡 Hint: Consider how existing platforms onboard new users.
Analyze the impact of sparse data on user-based collaborative filtering performance. Discuss potential solutions.
💡 Hint: Think creatively about overcoming data gaps.
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