Neighborhood-Based Uncertain QoS Prediction of Web Services via Matrix Factorization.
Guobing ZouShengye PangPengwei WangHuaikou MiaoSen NiuYanglan GanBofeng ZhangPublished in: CollaborateCom (2018)
Keyphrases
- matrix factorization
- web services
- collaborative filtering
- quality of service
- recommender systems
- web service selection
- web services composition
- prediction accuracy
- low rank
- service selection
- missing data
- factorization methods
- web service composition
- negative matrix factorization
- nonnegative matrix factorization
- factor analysis
- data sparsity
- web services discovery
- stochastic gradient descent
- probabilistic matrix factorization
- data matrix
- service discovery
- user ratings
- service composition
- variational bayesian
- recommendation systems
- latent factors
- tensor factorization
- data representation
- item recommendation
- factor matrices
- semi supervised
- feature extraction