Keyphrases
- semantic query
- case retrieval
- image retrieval
- information retrieval systems
- image database
- domain specific
- multimedia databases
- domain knowledge
- retrieval accuracy
- efficient retrieval
- retrieval method
- information retrieval
- semantic annotation
- retrieval model
- document retrieval
- semantic web
- relevance feedback
- knowledge representation
- semantic search
- modular ontologies
- text retrieval
- semantic web technologies
- knowledge base
- structured documents
- content based retrieval
- upper level
- ontology construction
- retrieval systems