Keyphrases
- knowledge extraction
- knowledge base
- knowledge representation
- higher level
- current situation
- user interaction
- domain knowledge
- knowledge management
- database
- domain experts
- user requirements
- user model
- knowledge sharing
- knowledge based systems
- user experience
- human experts
- information overload
- usage data
- historical information
- background knowledge
- domain specific
- knowledge discovery
- end users
- prior knowledge
- user interface
- information systems
- search engine
- data mining
- databases