Attentional matrix factorization with context and co-invocation for service recommendation.
Mo NguyenJian YuTung NguyenYanbo HanPublished in: Expert Syst. Appl. (2021)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- item recommendation
- data sparsity
- web services
- cold start problem
- latent factor models
- low rank
- factor analysis
- recommendation systems
- missing data
- factorization methods
- semantic web services
- tensor factorization
- contextual information
- stochastic gradient descent
- personalized ranking
- implicit feedback
- negative matrix factorization
- context aware
- cold start
- nonnegative matrix factorization
- service discovery
- user preferences
- tag recommendation
- latent factors
- variational bayesian
- rating prediction