Keyphrases
- user interface
- user groups
- user requirements
- recommender systems
- collaborative filtering
- user interaction
- databases
- genetic algorithm
- user oriented
- mobile services
- rapid growth
- questions asked
- social skills
- novice users
- query formulation
- recommendation systems
- smart phones
- user feedback
- mobile applications
- privacy preserving
- social media
- e learning
- neural network