Multidimensional-similarity-based personalized news recommendation method
A multi-dimensional similarity and similarity technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of data sparseness, inability to calculate, and low calculation accuracy, and achieve accuracy and recall rate improvement, accuracy The effect of improving the rate and recall rate and improving the quality of recommendation
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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0049] The present invention is a personalized news recommendation method that combines the user behavior similarity and news content similarity, and combines the multi-dimensional similarity of time features proposed for the particularity of the news field, and is used to improve the performance of the personalized news recommendation method Recommended quality.
[0050] As we all know, when recommending news personalizedly, since the news log system stores a large amount of implicit behavioral data (including browsing, commenting, posting, etc.) instead of explicit scoring data, how to effectively use these data to calculate the similarity of users or news is the first problem to be solved. The current similarity calculation method only uses user behavior data to
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