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Collaborative Filtering Algorithms Based on Kendall Correlation in Recommender Systems

机译:推荐系统中基于Kendall相关的协同过滤算法。

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摘要

In this work, Kendall correlation based collaborative filtering algorithms for the recommender systems are proposed. The Kendall correlation method is used to measure the correlation amongst users by means of considering the relative order of the users' ratings. Kendall based algorithm is based upon a more general model and thus could be more widely applied in e-commerce. Another discovery of this work is that the consideration of only positive correlated neighbors in prediction, in both Pearson andKendall algorithms, achieves higher accuracy than the consideration of all neighbors, with only a small loss of coverage.
机译:在这项工作中,提出了用于推荐系统的基于Kendall相关性的协同过滤算法。肯德尔相关性方法用于通过考虑用户评分的相对顺序来测量用户之间的相关性。基于Kendall的算法基于更通用的模型,因此可以在电子商务中得到更广泛的应用。这项工作的另一个发现是,在Pearson和Kendall算法中,仅考虑正相关邻居的预测比所有邻居的考虑都获得了更高的准确性,而覆盖范围的损失很小。

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