Keyphrases
- ontology construction
- semi automatic
- automatic construction
- construction process
- semantic web
- ontology learning
- knowledge acquisition
- knowledge management
- computational linguistics
- knowledge extraction
- ontology development
- information retrieval systems
- ontology engineering
- text mining
- background knowledge
- machine learning
- decision making
- domain ontology
- text classification
- semi automated
- information extraction
- relational databases