Keyphrases
- user interaction
- user requirements
- user interface
- end users
- collaborative filtering
- user feedback
- mobile services
- case study
- social media
- rapid growth
- database
- user model
- information sources
- daily life
- location information
- user centric
- user studies
- user profiles
- context aware
- mobile phone
- web search
- recommender systems
- multimedia
- information retrieval
- data mining
- databases