Keyphrases
- end users
- user centric
- user interaction
- user interface
- location information
- spoken dialogue systems
- user preferences
- user oriented
- user groups
- personalized services
- online services
- multimodal interfaces
- user experience
- service composition
- user requirements
- information systems
- information technology
- mobile services
- web services
- context aware mobile
- user privacy
- mobile phone users
- user satisfaction
- user defined
- user profiles
- service providers
- context aware
- relevance feedback
- recommender systems