Collective Matrix Factorization Using Tag Embedding for Effective Recommender System.
Hanbyul BangJee-Hyong LeePublished in: SCIS&ISIS (2016)
Keyphrases
- matrix factorization
- recommender systems
- collaborative filtering
- cold start problem
- data sparsity
- low rank
- negative matrix factorization
- implicit feedback
- user profiles
- user preferences
- factor analysis
- variational bayesian
- keywords
- nonnegative matrix factorization
- stochastic gradient descent
- cold start
- tensor factorization
- recommendation quality
- probabilistic matrix factorization
- user feedback
- recommendation systems
- least squares
- item recommendation