On Some Classes of 2D Languages and Their Relations.

Marcello M. Bersani Achille Frigeri Alessandra Cherubini

Published in: IWCIA (2011)

Keyphrases

closure properties
expressive power
language independent
binary relations
context free languages
spatial relations
class hierarchy
grammatical inference
algebraic structures
databases
regular languages
multi lingual
positive data
cross lingual
background knowledge
knowledge base
learning algorithm