Recommendation method based on deep learning
A recommendation method and deep learning technology, applied in the direction of neural learning methods, special data processing applications, instruments, etc., can solve the problems of unpredictable potential factor vectors, inaccurate recommendations, etc., and achieve the effect of improving accuracy and improving training efficiency
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[0056] 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 and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0057] (1) Collect the user's historical behavior data, according to the characteristics of implicit feedback, use the weighted latent factor model (WLFM) based on implicit feedback to model the user's historical behavior information, and learn the hidden factor vector of users and items ,Specific steps are as follows:
[0058] (11) For user historical behavior data r ui For normalization, by introducing a binary variable p ui , assuming there are m users and n items, binarize user u's preference for item i into a preference matrix The formula is as follows:
[0059]
[0060] (12) The prefe...
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