实验结果表明，改进的协作过滤算法优于基于用户的协作过滤算法； 结合两种过滤技术后的系统具有更好的性能。

The results of experiment prove that improved filtering algorithm is better than user-based filtering algorithms and combined filtering approach has better system performance.

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协作过滤是应用最为广泛的推荐技术，通常提供预测评分作为推荐。

Collaborative filtering, which is widely used recommendation algorithm, usually provides predicted ratings as recommendation.

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