Keyphrases
- user interaction
- user preferences
- user queries
- space time
- search space
- end users
- collaborative filtering
- virtual space
- low dimensional
- recommender systems
- expert systems
- data sets
- relevance feedback
- database
- information retrieval systems
- decision trees
- user profiles
- genetic algorithm
- information retrieval
- user satisfaction
- user input
- user oriented
- real time