Keyphrases
- context free grammars
- tree automata
- context free languages
- grammatical inference
- syntactic pattern recognition
- context free
- decision trees
- regular expressions
- attribute grammars
- formal languages
- databases
- production rules
- grammar induction
- xml schema
- covering arrays
- regular languages
- predicate invention
- finite automata
- inductive inference
- finite state
- lexical semantics
- database
- closure properties
- tree adjoining