Keyphrases
- knowledge extraction
- domain knowledge
- information retrieval
- knowledge base
- information retrieval systems
- background knowledge
- knowledge discovery
- expert systems
- image retrieval
- prior knowledge
- efficient retrieval
- retrieval method
- knowledge acquisition
- retrieval systems
- high level
- conceptual retrieval
- case study
- knowledge transfer
- semantic information
- domain experts
- query expansion
- knowledge based systems
- neural network
- knowledge management
- relevance feedback
- knowledge representation