Theoretical Computer Science
On multiple context-free grammars
Theoretical Computer Science
Handbook of formal languages, vol. 3
Type-logical semantics
Characterizing mildly context-sensitive grammar formalisms
Characterizing mildly context-sensitive grammar formalisms
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Computational Linguistics
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ACL '87 Proceedings of the 25th annual meeting on Association for Computational Linguistics
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Electronic Notes in Theoretical Computer Science (ENTCS)
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WoLLIC '09 Proceedings of the 16th International Workshop on Logic, Language, Information and Computation
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On two extensions of abstract categorial grammars
LPAR'07 Proceedings of the 14th international conference on Logic for programming, artificial intelligence and reasoning
A note on the complexity of abstract categorial grammars
MOL'07/09 Proceedings of the 10th and 11th Biennial conference on The mathematics of language
Distributional learning of abstract categorial grammars
LACL'11 Proceedings of the 6th international conference on Logical aspects of computational linguistics
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LACL'05 Proceedings of the 5th international conference on Logical Aspects of Computational Linguistics
Fundamenta Informaticae - Logic, Language, Information and Computation
Controlling extraction in abstract categorial grammars
FG'10/FG'11 Proceedings of the 15th and 16th international conference on Formal Grammar
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We show how to encode context-free string grammars, linear context-free tree grammars, and linear context-free rewriting systems as Abstract Categorial Grammars. These three encodings share the same constructs, the only difference being the interpretation of the composition of the production rules. It is interpreted as a first-order operation in the case of context-free string grammars, as a second-order operation in the case of linear context-free tree grammars, and as a third-order operation in the case of linear context-free rewriting systems. This suggest the possibility of defining an Abstract Categorial Hierarchy.