📊Analyse de donnéesAdvancedAll AIs
Build a recommendation system
Build recommendation systems
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Build a collaborative filtering recommendation system for [domain] using implicit feedback data (user_id, item_id, interaction_score). Implement matrix factorization with ALS using implicit library, evaluate with precision@K and NDCG@K, handle cold start with content-based fallback, and expose recommendations via a simple function.
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Build recommendation systems
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