Keyphrases
- user interface
- touch screen
- end users
- input device
- data structure
- daily life
- user interaction
- information sources
- user model
- data sets
- novice users
- user requirements
- control method
- user feedback
- rapid growth
- user experience
- user profiles
- recommender systems
- data acquisition
- collaborative filtering
- information access
- web services
- query formulation
- web pages
- information systems
- database