Keyphrases
- domain knowledge
- semantic web
- domain ontology
- computer science
- knowledge representation
- semantic annotation
- domain specific
- background knowledge
- ontological framework
- owl ontologies
- ontology driven
- knowledge base
- semantic query
- semantically rich
- owl dl ontologies
- computer generated images
- upper level
- information retrieval
- virtual reality
- semi automatically
- conceptual model
- computer graphics
- semantic information
- virtual environment
- data model
- artificial intelligence