Abstract Families of Abstract Categorial Languages
Author(s) -
Makoto Kanazawa
Publication year - 2006
Publication title -
electronic notes in theoretical computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.242
H-Index - 60
ISSN - 1571-0661
DOI - 10.1016/j.entcs.2006.05.037
Subject(s) - categorial grammar , combinatory categorial grammar , computer science , programming language , linguistics , mathematics , algebra over a field , pure mathematics , artificial intelligence , philosophy , link grammar , generative grammar , mildly context sensitive grammar formalism , emergent grammar , parsing , attribute grammar
We show that the class of string languages generated by abstract categorial grammars is a substitution-closed full AFL. The result also holds of each class G(m,n) in de Groote's hierarchy. We also show that the class of string languages generated by lexicalized ACGs is a substitution-closed AFL, and that most of the results about string languages carry over to tree languages
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