Content-Based Publish/Subscribe for XML Data

Content-Based Publish/Subscribe for XML Data

Yuan Ni, Chee-Yong Chan
Copyright: © 2010 |Pages: 20
DOI: 10.4018/978-1-61520-727-5.ch010
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Abstract

Content-based publish/subscribe system is an effective means to deliver relevant data to interested data consumers. As the emergence of XML, it quickly becomes the de facto for data exchange on the Internet. Therefore, to use XML format in the content-based publish/subscribe system attracts increasing interests. This chapter firstly introduces the content-based publish/subscribe system for XML data; followed by the discussion of issues in this system and introduction of solutions to these issues. Finally, this chapter points out some possible research directions for the content-based publish/subscribe system for XML data.
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Background

In the content-based publish/subscribe system for XML data, the information is published as XML documents and the subscriptions are expressed using some XML query language such as XPath (1999) or XQuery (2006). Figure 1 illustrates the architecture for the content-based publish/subscribe system. There are three components in the system:

Figure 1.

The architecture of content-based publish/subscribe system for XML data

978-1-61520-727-5.ch010.f01

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