Keyphrases
- knowledge acquisition
- ontology construction
- knowledge base
- knowledge representation
- ontology development
- expert systems
- domain specific
- semantic web
- domain knowledge
- ontology engineering
- knowledge based systems
- ontology learning
- domain experts
- inductive learning
- machine learning
- knowledge engineering
- domain ontology
- ripple down rules
- semantically rich
- semantic representation
- semi automatic
- automatic construction
- construction process
- natural language processing
- data sets
- ontology evolution
- databases
- conceptual modeling
- background knowledge
- procedural knowledge
- metamodel
- relational databases
- ontology alignment
- artificial intelligence
- owl ontologies
- semantic query
- semantically enhanced
- semantic annotation