Keyphrases
- user interface
- distributed systems
- cooperative
- user authentication
- distributed environment
- user centric
- collaborative filtering
- user interaction
- lightweight
- user profiles
- domain independent
- group communication
- end users
- social media
- web services
- user experience
- domain specific
- user satisfaction
- trust model
- multi party
- multiple users
- recommender systems
- reputation management
- rights management