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Subject: Computer Science
Title:
正规树文法的产生式相交判定
Alternative Title: intersection checking of production rules in regular tree grammar
Author: 倪晓勇 ; 陈海明
Keyword: XML type checking ; regular tree grammar ; production rules ; intersection checking ; regular expression ; automata
Source: 计算机工程与设计
Issued Date: 2012
Volume: 33, Issue:3, Pages:1197-1202,1212
Department: 中国科学院软件研究所计算机科学国家重点实验室;中国科学院研究生院;
Abstract: 在针对产生式不相交的正规树文法的XML类型检查中,需要对正规树文法的产生式进行相交判定。基于正规树文法的产生式的构成特点,提出了基于自动机的相交判定算法。根据产生式的内容模型即正则表达式,构建相应自动机,判定两个自动机的交是否为空,该算法的时间复杂度为O(‖E1‖.‖E2‖.|∑E1∪∑E2|)。实验结果表明,该算法运行正确且高效,可以应用到针对产生式不相交的正规树文法的XML类型检查中。
English Abstract: Intersection checking of production rules in regular tree grammar is needed in XML type checking based on regular tree grammar with disjoint production rules.An algorithm is described,which checks the intersection between two automata according to the composition of the production rules in regular tree grammar.Firstly the automaton is constructed according to the content model of production rules,which is a regular expression,then it checks the intersection of the two automaton is constructed.The time complexity is O(‖E_1‖·‖E_2‖·|_(E1)_(E2)|).The experiment shows that this algorithm is sound and efficient.It is used in XML type checking based on regular tree grammar with disjoint production rules.
Language: 中文
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/14606
Appears in Collections:计算机科学国家重点实验室 _期刊论文

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Recommended Citation:
倪晓勇,陈海明. 正规树文法的产生式相交判定[J]. 计算机工程与设计,2012-01-01,33(3):1197-1202,1212.
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