Collaborative filtering can be divided into memory based and model based. The former is more accurate while the latter performs better in scalability.
协同过滤技术分为基于内存和基于模型两种，前者的推荐准确度更高，但可扩展性比后者低。
Collaborative filtering can be divided into memory based and model based. The former is more accurate while the latter performs better in scalability.
协同过滤技术分为基于内存和基于模型两种，前者的推荐准确度更高，但可扩展性比后者低。
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