作者: A.K. Joshi , S.R. Kosaraju , H.M. Yamada
DOI: 10.1016/S0019-9958(72)90051-4
关键词: Definite clause grammar 、 Context-free grammar 、 Artificial intelligence 、 Natural language processing 、 Tree-adjoining grammar 、 Context-sensitive grammar 、 Phrase structure grammar 、 c-command 、 Programming language 、 L-attributed grammar 、 Indexed grammar 、 Mathematics
摘要: In this paper [and in Joshi et al. (1972) which is a sequel to paper] new style of formal grammar called String Adjunct Grammars (AG) has been studied. The rules an AG have character essentially different from the “rewrite rule” Phrase Structure Grammar (PSG). Such study grammars styles great interest because each well suited for characterizing certain aspects natural language structure but inherent difficulty other aspects. Several subclasses AG's motivated by strong linguistic considerations Linguistic relevance these and suggested also discussed.