Keyphrases
- user profiles
- user model
- recommender systems
- user preferences
- user modeling
- collaborative filtering
- user interaction
- individual user
- end users
- k means
- user interface
- user profiling
- website
- user requirements
- user input
- user activity
- personalized services
- user queries
- user centric
- user experience
- user defined
- data sets
- information systems