On the Index of Pure Context-free Grammars and Languages.
Gianina GeorgescuPublished in: Developments in Language Theory (1993)
Keyphrases
- context free grammars
- grammatical inference
- context free languages
- grammar induction
- context free
- regular languages
- predicate invention
- regular expressions
- production rules
- closure properties
- formal languages
- covering arrays
- database
- xml schema
- lexical semantics
- attribute grammars
- tree automata
- expressive power
- knowledge acquisition
- database systems
- databases