A Note on the Commutative Closure of Star-Free Languages.
Anca MuschollHolger PetersenPublished in: Inf. Process. Lett. (1996)
Keyphrases
- language independent
- expressive power
- databases
- special case
- information systems
- real time
- text summarization
- language identification
- linguistic resources
- case study
- hidden markov models
- query language
- probabilistic model
- query translation
- grammatical inference
- multi lingual
- interchange format
- closure properties
- syntactic and semantic dependencies