Keyphrases
- user feedback
- multi user
- workflow systems
- temporal constraints
- user interaction
- business processes
- workflow management
- virtual environment
- augmented reality
- user interface
- virtual world
- widely recognized
- relevance feedback
- access control
- single user
- user profiles
- recommender systems
- active databases
- user preferences
- amazon mechanical turk
- process model
- relevant documents
- video sequences
- temporal reasoning
- service oriented
- learning to rank
- knowledge intensive
- data mining
- mobile agents
- language model
- machine learning