Keyphrases
- learning experience
- recommender systems
- collaborative filtering
- matrix factorization
- e learning
- product recommendation
- user preferences
- information filtering
- data sparsity
- virtual reality
- augmented reality
- virtual environment
- implicit feedback
- online dating
- cold start problem
- recommendation systems
- movie recommendation
- recommendation quality
- user model
- cold start
- transfer learning
- user profiles
- personalized recommendation
- rating prediction
- probabilistic matrix factorization
- recommendation algorithms
- online game
- virtual world
- user modeling
- information overload
- user interests
- user feedback
- search engine
- netflix prize
- information retrieval