Keyphrases
- end users
- user centric
- information systems
- user interaction
- location information
- ubiquitous computing
- web services
- user interface
- small number
- personalized services
- user groups
- user privacy
- physical location
- user requests
- user satisfaction
- service oriented
- user defined
- collaborative filtering
- user requirements
- service providers
- mobile services
- user specific
- computer systems
- e learning
- computing devices
- information retrieval