Keyphrases
- user interface
- user experience
- user requirements
- user interaction
- website
- user defined
- end users
- relevance feedback
- user preferences
- individual user
- multiple users
- location information
- semi automatic
- user queries
- database
- recommender systems
- expert systems
- user model
- case study
- computer vision
- user input
- labor intensive
- social networks
- search engine