Keyphrases
- recommender systems
- data sparsity
- collaborative filtering
- user item rating
- high dimensional
- information filtering
- matrix factorization
- cold start problem
- information overload
- data sets
- user modeling
- sparse representation
- recommendation quality
- personalized recommendation
- cold start
- user profiles
- user preferences
- user model
- trust aware
- squared loss
- cross domain collaborative filtering
- machine learning
- image processing
- genetic algorithm
- implicit feedback
- recommendation systems
- information systems