Keyphrases
- wordnet
- knowledge acquisition
- domain specific
- knowledge base
- domain experts
- domain specific ontologies
- co occurrence
- natural language processing
- general purpose
- semantic information
- semantic relations
- knowledge representation
- expert systems
- domain independent
- word sense disambiguation
- semantic relatedness
- knowledge based systems
- automatically created
- text documents
- machine learning
- semantic distance
- lexical database
- lexical knowledge
- semantic features
- relation extraction
- external knowledge
- knowledge sources
- lexical resources
- keywords
- ontology learning
- semantic similarity
- domain ontology
- semantic similarity measure
- lexical units
- word sense
- lexical information
- text mining