Generalization of recommender systems: Collaborative filtering extended to groups of users and restricted to groups of items.
Jesús BobadillaFernando OrtegaAntonio HernandoJesus BernalPublished in: Expert Syst. Appl. (2012)
Keyphrases
- recommender systems
- collaborative filtering
- recommendation systems
- matrix factorization
- cold start problem
- information filtering
- user profiles
- recommendation quality
- information overload
- cold start
- data sparsity
- user ratings
- active user
- user profiling
- deal with information overload
- user feedback
- user model
- item based collaborative filtering
- content based filtering
- implicit feedback
- user preferences
- trust aware
- online dating
- latent factor models
- rating matrix
- probabilistic matrix factorization
- making recommendations
- eye tracking
- product recommendation
- information seeking
- user interests
- product information