Xaggregation: Flexible aggregation of XML data

被引：0

作者：

Wang, HZ ^{[1
]}

Li, JZ ^{[1
]}

He, ZY ^{[1
]}

Gao, H ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Comp Sci & Technol, Harbin, Peoples R China

来源：

ADVANCES IN WEB-AGE INFORMATION MANAGEMENT, PROCEEDINGS | 2003年 / 2762卷

关键词：

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：

XML is an important format of information exchange and representation. One of its features is that it has tag representing semantics. Based on this feature, an extensive aggregation of operation of XML data, Xaggregation, is represented in this paper. Xaggregation permits XPath expression decorating dimension property and measure property. With Xaggregation, statistics of XML data becomes more flexible with function of aggregating heterogeneous data and hierarchy data along some path of XML. Xaggregation could be embedded in query language of XML such as XQuery. In this paper, the definition of Xaggregation is presented, as well as the semantics and application of it. Implementation of Xaggregation based on native XML database with XML as tree structure is also designed.

引用

页码：104 / 115

页数：12

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