[null,null,["上次更新時間：2024-07-26 (世界標準時間)。"],[[["Content-based filtering suggests items similar to a user's preferences by analyzing item features and user interactions."],["User and item features are represented in a feature matrix, where common features indicate higher similarity."],["Dot product is used as a similarity metric, with higher values indicating stronger relevance between user and item."],["Recommendations are tailored to individual users based on their specific features and interactions, without using data from other users."],["The system identifies the best recommendations by calculating dot products and selecting items with the highest scores."]]],[]]
