On finite-index indexed grammars and their restrictions.

Flavio D'Alessandro Oscar H. Ibarra Ian McQuillan

Published in: Inf. Comput. (2021)

Keyphrases

inverted file
closure properties
grammatical inference
natural language
finite number
finite automata
database
context free grammars
real time
search engine
query language
information retrieval systems
expressive power
unit length