A comparative study of functional dependencies for XML

被引：0
|
作者：
Wang, JH [1 ]
机构：
[1] Griffith Univ, Sch Informat Technol, Nathan, Qld 4111, Australia
来源：
WEB TECHNOLOGIES RESEARCH AND DEVELOPMENT - APWEB 2005 | 2005年 / 3399卷
关键词：
data integrity; XML tree; scheme file; functional dependency;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Functional dependencies (FDs) have been relatively more intensively studied than other constraints for XML data. Yet there seems to be no consensus on the definition of such dependencies, and all previous definitions capture different types of constraints. In this paper, we survey and compare these XML functional dependencies (XFDs) and propose a new definition of XFD which unifies and generalizes the previous XFDs. We show how our GXFDs can express more constraints and hence can be used to detect more XML data redundancies than those in previous work.
引用
收藏
页码：308 / 319
页数：12
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