Keyphrases
- conceptual graphs
- knowledge repositories
- domain ontology
- semi automatic
- databases
- domain knowledge
- domain specific
- semantic network
- knowledge base
- knowledge structures
- data sources
- natural language
- case study
- conceptual structures
- retrieval engine
- text mining
- semantic information
- knowledge management
- formal representation
- ontology reasoning
- general purpose
- object oriented dbms
- partial order
- knowledge based systems
- database systems