Keyphrases
- natural language
- metadata
- linguistic knowledge
- semantic annotation
- domain knowledge
- keywords
- knowledge representation
- natural language processing
- annotation tool
- conceptual model
- real time
- web image retrieval
- image annotation
- domain ontology
- background knowledge
- higher level
- knowledge acquisition
- database systems
- knowledge base
- database
- knowledge management
- semi automatic
- case study
- website
- gene ontology
- databases
- ontology alignment
- data sets
- ontological knowledge
- language generation
- inter annotator agreement