Keyphrases
- wordnet
- natural language processing
- co occurrence
- word sense disambiguation
- semantic relations
- semantic information
- semantic distance
- semantic relatedness
- semantic similarity
- knowledge base
- semantic features
- text documents
- semantic relationships
- keywords
- automatically created
- language independent
- external knowledge
- lexical database
- hand crafted
- lexical resources
- lexical knowledge
- expert systems
- natural language
- search engine
- lexical units