Keyphrases
- context free grammars
- natural language
- wordnet
- lexical semantics
- grammatical inference
- word sense disambiguation
- broad coverage
- highly ambiguous
- distinctive features
- semantic classes
- finite state automata
- formal language theory
- database
- controlled natural language
- wide coverage
- natural language parsing
- primary purpose
- word order
- context free
- multiword
- website
- learning algorithm