Individualized recommendation method and system based on blockchain integration service platform

Abstract

The invention discloses an individualized recommendation method and system based on a blockchain integration service platform. The individualized recommendation method comprises the steps that preprocessing is conducted on the data of goods purchased by users, obtaining the preprocessing result; an inverted ordering of goods and users and an association list of users and goods are established based on the preprocessing result; the calculating of user similarity is conducted based on the inverted ordering of goods and users, obtaining a user similarity matrix; characteristic vector extraction processing is conducted based on the association list of users and goods, obtaining user goods characteristic vector information; the user goods characteristic vector information of target user is verified based on the user similarity matrix and the user goods characteristic vector information, obtaining the verified user goods characteristic vector information of target user, and goods are pushedto the target user based on the verified user goods characteristic vector information of target user. The invention is advantageous in that a more accurate personalized recommendation can be realizedthrough effectively utilizing the data advantage brought by the blockchain technology.

Description

technical field [0001] The present invention relates to the field of big data technology, in particular to a personalized recommendation method and system based on a block chain points service platform. Background technique [0002] As a new technology, blockchain technology is immature in terms of system stability, application security, and business models. It is currently mainly suitable for non-real-time, lightweight information, small transaction throughput, and low information sensitivity. business scenarios. The blockchain protocol is developed using the Secure Hash Algorithm (SHA) and Advanced Encryption Standard (AES) algorithms, so it can be used as a secure platform for storing and transmitting credit ownership. Additionally, other attributes of blockchain such as immutability, ease of transferability, coupled with audit transparency and ease of use, make it even more valuable. [0003] Points management is one of the important application scenarios of blockchain...

AI Technical Summary

Problems solved by technology

[0005] There are several deficiencies in the above-mentioned technology, such as: keen on recommending popular products, the coverage rate is low, which is not conducive to the healthy operation of the entire platform; the internal platform of the merchant system can recommend a small range, and it is impossible to effectively mine long-tail information; In the system that recommends items based on user ratings, the system relies too much on user ratings, and many users do not have rating data, which will result in inaccurate recommendations due to sparse data

Images