Personalized QoS Prediction via Matrix Factorization Integrated with Neighborhood Information.
Kesheng QiHao HuWei SongJidong GeJian LuPublished in: SCC (2015)
Keyphrases
- matrix factorization
- neighborhood information
- collaborative filtering
- recommender systems
- low rank
- factorization methods
- quality of service
- prediction accuracy
- census transform
- negative matrix factorization
- missing data
- factor analysis
- data sparsity
- nonnegative matrix factorization
- stochastic gradient descent
- variational bayesian
- probabilistic matrix factorization
- implicit feedback
- personalized ranking
- user profiles
- data matrix
- item recommendation
- personalized recommendation