Keyphrases
- recommender systems
- collaborative filtering
- information overload
- developing countries
- user modeling
- matrix factorization
- mobile communication
- user profiles
- information filtering
- user profiling
- trust aware
- data sparsity
- cold start problem
- recommendation quality
- decision trees
- neural network
- item based collaborative filtering
- user interests
- user preferences
- personalized recommendation
- latent factor models
- user model
- netflix prize
- information retrieval