Recommendation model construction method and device

Abstract

The invention provides a recommendation model construction method and device, and belongs to the technical field of computers. The method comprises the following steps: 1, preparing raw materials; receiving first sample data sets sent by a plurality of second servers respectively, decrypting the first sample data set according to a preset decryption algorithm, and obtaining a plurality of second sample data sets, obtaining a plurality of sample data of at least one same user in the plurality of second sample data sets according to a preset rule, combining the plurality of sample data of each same user to obtain a target sample data set, and constructing a recommendation model according to the target sample data set. Third-party server, the sample data of each enterprise is encrypted and then sent to a third party for processing; the third party constructs a recommendation model through the target sample data set, data sharing of all enterprises is achieved through the third party server, data barriers among the enterprises are broken through, a more accurate recommendation model can be obtained, and the recommendation accuracy is improved.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a method and device for constructing a recommendation model. Background technique [0002] With the development of computer technology, how to recommend products that meet user needs and improve recommendation efficiency has become the focus of attention of all walks of life. [0003] It has become a common recommendation method to collect a large amount of user information, build a recommendation model based on the large amount of user information, and recommend information to users through the recommendation model. The construction of a recommendation model requires a large amount of user information, and the more information collected, the more accurate the recommendation model will be. However, due to reasons such as protecting user privacy and corporate data security, companies with different user information cannot share data. However, an accurate recommenda...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and device for constructing a recommendation model, so as to solve the problem that data cannot be shared between enterprises and an accurate recommendation model cannot be constructed to a certain extent

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