Keyphrases
- user interface
- user interaction
- end users
- human computer interaction
- user experience
- user oriented
- multimedia
- user defined
- user preferences
- direct manipulation
- graphical user interfaces
- user centered
- test cases
- neural network
- collaborative filtering
- expert systems
- social networks
- user friendly
- user feedback
- user centric
- natural language
- information systems
- user interface design
- real world