Research on User Similarity Calculation of Collaborative Filtering for Sparse Data

User-based collaborative filtering achieves recommendation for target users based on the preferences of their nearest neighbors, in which how to calculate user similarity is critical. The traditional rating similarity calculation relies on the scores of common scoring items. With the intensification...

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Bibliographic Details
Main Author: WU Sen, DONG Yaxian, WEI Guiying, GAO Xiaonan
Format: Article
Language:zho
Published: Journal of Computer Engineering and Applications Beijing Co., Ltd., Science Press 2022-05-01
Series:Jisuanji kexue yu tansuo
Subjects:
Online Access:http://fcst.ceaj.org/fileup/1673-9418/PDF/1652926754844-1296498770.pdf