Metric Factorization with Item Cooccurrence for Recommendation
In modern recommender systems, matrix factorization has been widely used to decompose the user–item matrix into user and item latent factors. However, the inner product in matrix factorization does not satisfy the triangle inequality, and the problem of sparse data is also encountered. In this paper...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-04-01
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Series: | Symmetry |
Subjects: | |
Online Access: | https://www.mdpi.com/2073-8994/12/4/512 |