Keyphrases
- context free grammars
- production rules
- grammatical inference
- context free languages
- context free
- attribute grammars
- grammar induction
- neural network
- association rules
- classification rules
- databases
- regular expressions
- rule sets
- background knowledge
- xml schema
- decision rules
- knowledge based systems
- tree automata
- regular languages
- knowledge representation
- lexical semantics
- data model
- data mining
- covering arrays