Keyphrases
- context free grammars
- grammatical inference
- context free languages
- syntactic pattern recognition
- regular expressions
- context free
- covering arrays
- grammar induction
- predicate invention
- regular languages
- attribute grammars
- xml schema
- tree automata
- production rules
- keywords
- formal languages
- neural network
- tree adjoining
- decision problems
- decision rules
- machine learning