A query language for XML

被引:0
|
作者
Deutsch, A [1 ]
Fernandez, M [1 ]
Florescu, D [1 ]
Levy, A [1 ]
Suciu, D [1 ]
机构
[1] AT&T Labs, Florham Park, NJ USA
关键词
XML; query languages; electronic-data interchange (EDI);
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
An important application of XML is the interchange of electronic data (EDI) between multiple data sources on the Web. As XML data proliferates on the Web, applications will need to integrate and aggregate data from multiple source and clean and transform data to facilitate exchange. Data extraction, conversion, transformation, and integration are all well-understood database problems, and their solutions rely on a query language. We present a query language for XML, called XML-QL, which we argue is suitable for performing the above tasks. XML-QL is a declarative, 'relational complete' query language and is simple enough that it can be optimized. XML-QL can extract data from existing XML documents and construct new XML documents. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:77 / 91
页数:15
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