Keyphrases
- domain specific
- domain knowledge
- information retrieval
- ontology construction
- digital libraries
- semantic network
- semantic links
- information retrieval systems
- knowledge base
- domain ontology
- ontology development
- query expansion
- semantic web
- knowledge representation
- related concepts
- semantic information
- semi automatic
- concept space
- neural network
- semantically enhanced
- fuzzy ontology
- ontology learning
- semantic technologies
- conceptual modeling
- expert systems
- semantic relations
- document collections