Collaborative Web Service QoS Prediction via Neighborhood Integrated Matrix Factorization.
Zibin ZhengHao MaMichael R. LyuIrwin KingPublished in: IEEE Trans. Serv. Comput. (2013)
Keyphrases
- matrix factorization
- web services
- quality of service
- web service selection
- collaborative filtering
- low rank
- recommender systems
- web services composition
- prediction accuracy
- missing data
- factor analysis
- factorization methods
- service composition
- data sparsity
- service selection
- service oriented
- web services discovery
- nonnegative matrix factorization
- variational bayesian
- negative matrix factorization
- stochastic gradient descent
- service discovery
- personalized ranking
- factorization method
- probabilistic matrix factorization
- web service composition
- tensor factorization
- latent factors
- implicit feedback
- least squares
- objective function