Unverified50% confidenceFactExact time
协同过滤最早由 GroupLens 研究团队在 1990 年代为新闻推荐开发，其核心逻辑是通过分析与你行为模式相似的用户喜欢了谁来进行推荐
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50%
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Long-term
Relevance
8/7/2026
First Seen
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