Online QoS Prediction for Runtime Service Adaptation via Adaptive Matrix Factorization.
Jieming ZhuPinjia HeZibin ZhengMichael R. LyuPublished in: IEEE Trans. Parallel Distributed Syst. (2017)
Keyphrases
- matrix factorization
- web services
- collaborative filtering
- low rank
- recommender systems
- service selection
- quality of service
- service differentiation
- admission control
- missing data
- nonnegative matrix factorization
- online learning
- prediction accuracy
- factorization methods
- negative matrix factorization
- data sparsity
- variational bayesian
- factorization method
- data matrix
- implicit feedback
- factor analysis
- service composition
- personalized ranking
- service oriented
- multiscale
- stochastic gradient descent
- item recommendation
- feature extraction