A Unified Framework of QoS-Based Web Service Recommendation with Neighborhood-Extended Matrix Factorization.
Yueshen XuJianwei YinWei LoPublished in: SOCA (2013)
Keyphrases
- matrix factorization
- collaborative filtering
- web services
- recommender systems
- quality of service
- item recommendation
- data sparsity
- web service selection
- latent factor models
- cold start problem
- low rank
- missing data
- web services composition
- service selection
- negative matrix factorization
- nonnegative matrix factorization
- factorization methods
- recommendation systems
- tensor factorization
- probabilistic matrix factorization
- factor analysis
- stochastic gradient descent
- implicit feedback
- service composition
- cold start
- user preferences
- personalized ranking
- personalized recommendation
- rating prediction
- data matrix
- recommendation algorithms
- web services discovery
- tag recommendation
- binary matrix
- user profiles