Taxonomy-Induced Matrix Factorization for Inferring Preference of Mobile Telecom Users.
Zhibin RenChunhong ZhangTiantian LiZheng HuPublished in: MDM (2017)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- data sparsity
- user preferences
- implicit feedback
- cold start problem
- low rank
- item recommendation
- personalized ranking
- missing data
- latent factors
- mobile devices
- factor analysis
- nonnegative matrix factorization
- user ratings
- variational bayesian
- data matrix
- probabilistic matrix factorization
- stochastic gradient descent
- user interface
- user generated content
- user profiles
- cold start
- recommendation systems
- log data
- factorization methods
- user interaction
- context aware
- dimensionality reduction