Keyphrases
- regular languages
- context free languages
- grammatical inference
- regular expressions
- finite automata
- decision problems
- context free grammars
- pac learning
- positive data
- finite state machines
- context free
- database
- knowledge base
- pattern matching
- equivalence queries
- machine learning
- uniform distribution
- inductive inference
- xml schema
- noisy data
- query language
- statistical queries
- np hard