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DOI:
Journal of Software:1995.6(11):673-678

语言附着的句法结构
郭清泉
(山东大学计算机科学系,济南,250100)
SYNTACTIC STRUCTURE FOR ADHERENCE OF LANGUAGES
Guo Qingquan
()
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Received:May 03, 1994    Revised:September 13, 1994
> 中文摘要: 本文研究语言L的附着Adh(L)的句法结构,借助于L的语法分析树,我们分析了Adh(L)的句法特征,提出并证明了正规语言和上下文无关语言附着的叠代定理,从而解决了这两类语言的附着的句法结构问题。另外,应用引理证明了某些附着不是正规语言的附着或上下文无关语言的附着。
Abstract:This paper studies the syntactic structure for adherence Adh (IM) of a language L. With the aid of the parser tree of L, the authors analyse some characteristics of words belonging to Adh (L), and prove iteration theorems for adherences of regular languages and context-free languages, thus solving the problem on syntactic structure for the adherence of corresponding languages. Moreover, they present the application of itera-tion theorems to prove some adherence of languages are not adherences of regular languages or context -free languages.
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基金项目:本文是国家自然科学基金项目. 本文是国家自然科学基金项目.
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郭清泉.语言附着的句法结构.软件学报,1995,6(11):673-678

Guo Qingquan.SYNTACTIC STRUCTURE FOR ADHERENCE OF LANGUAGES.Journal of Software,1995,6(11):673-678