Star-Free Languages are Church-Rosser Congruential

Volker Diekert Manfred Kufleitner Pascal Weil

Published in: CoRR (2011)

Keyphrases

expressive power
language independent
database
cross lingual
text summarization
data sets
information systems
query language
probabilistic model
information extraction
context free grammars
language identification
multi lingual
highly expressive
multilingual information retrieval