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...

Full description

Bibliographic Details
Main Authors: Honglin Dai, Liejun Wang, Jiwei Qin
Format: Article
Language:English
Published: MDPI AG 2020-04-01
Series:Symmetry
Subjects:
Online Access:https://www.mdpi.com/2073-8994/12/4/512