Semi-sparse algorithm based on multi-layer optimization for recommender system.

Hu Guan Huakang Li Cheng-Zhong Xu Minyi Guo

Published in: J. Supercomput. (2013)

Keyphrases

multi layer
optimization algorithm
objective function
learning algorithm
neural network
recommender systems
expectation maximization
single layer
feature selection
face recognition
collaborative filtering
convergence rate