Hierarchical Overlapping Belief Estimation by Structured Matrix Factorization.
Chaoqi YangJinyang LiRuijie WangShuochao YaoHuajie ShaoDongxin LiuShengzhong LiuTianshi WangTarek F. AbdelzaherPublished in: ASONAM (2020)
Keyphrases
- matrix factorization
- collaborative filtering
- factorization methods
- recommender systems
- missing data
- low rank
- nonnegative matrix factorization
- negative matrix factorization
- data sparsity
- variational bayesian
- factor analysis
- item recommendation
- probabilistic matrix factorization
- stochastic gradient descent
- data matrix
- implicit feedback
- personalized ranking
- factorization method
- latent factors
- latent factor models
- density estimation
- missing values
- unsupervised learning
- clustering algorithm