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Expressiveness and complexity of regular pure two-dimensional context-free languages.
Marcello M. Bersani
Achille Frigeri
Alessandra Cherubini
Published in:
Int. J. Comput. Math. (2013)
Keyphrases
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context free languages
context free
regular languages
decision problems
context dependent
grammatical inference
context free grammars
computational complexity
worst case
context sensitive
regular expressions
machine learning
information extraction
knowledge based systems
pattern matching