Unverified50% confidenceFactExact time
SVD在协同过滤推荐系统中可将用户-物品评分矩阵映射到低维潜在因子空间，从而预测用户对未评分物品的偏好，其变体包括SVD++、时序SVD等
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50%
Confidence
Long-term
Relevance
8/28/2026
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