Keyphrases
- semantic network
- knowledge base
- semantic net
- semantic web
- semantic relations
- spreading activation
- ontology learning
- semantic web technologies
- array processor
- semantic structures
- wordnet
- knowledge sources
- linguistic analysis
- topic maps
- owl ontologies
- biomedical text
- related concepts
- predicate logic
- predicate calculus
- knowledge representation
- natural language text
- knowledge acquisition
- metadata
- databases