Keyphrases
- end users
- user centric
- user interface
- online services
- user defined
- user specific
- user requests
- user requirements
- location information
- user feedback
- mobile phone users
- service oriented
- user preferences
- user interaction
- context aware
- recommender systems
- web services
- user queries
- user behavior
- user experience
- service providers
- semantic web
- mobile phone
- user groups
- relevance feedback
- multimodal interfaces
- physical location
- search engine