Chapter of the Week: Essential XML Quick Reference -- Chapter 3, 'XPath 1.0'

Date Published: 26 JAN 2004

About the White Paper: Even the most experienced XML developer needs a reference guide with essential information and quick answers to the questions and problems that inevitably arise. Essential XML Quick Reference is the most comprehensive and authoritative book available. Covering all of XML, as well as many related protocols and technologies, this book provides a handy, one-stop resource to XML syntax, usage and programming techniques. The XML Path Language version 1.0 (XPath) defines the W3C-sanctioned syntax for addressing parts of an XML document. XPath expressions are evaluated against a document's logical tree structure to identify a set of nodes (for example, elements, attributes, text, and so on). This layer of abstraction shields developers from the complexity of a document's physical structure and greatly simplifies processing. After a brief introduction, this chapter presents the syntax for building XPath expressions. About the Publisher Addison-Wesley is the leading publisher of high-quality and timely information for programmers, developers, and system administrators. The Company's mission is to provide educational materials concerning new technologies and new approaches to current technologies written by leading authorities. Addison-Wesley is a unit of Pearson Technology Group, the world's largest provider of consumer and professional computer, information technology, engineering and reference content. Pearson Technology Group is an operating unit of Pearson Education, the world's leading educational publisher. Pearson Education is part of Pearson plc (NYSE: PSO), the international media company. Visit them at www.awprofessional.com. Reproduced from Essential XML Quick Reference (Aaron Skonnard and Martin Gudgin) by permission of Addison-Wesley. ISBN 0201740958, copyright 2002. All rights reserved. See http://www.awprofessional.com/titles/0201740958 for more information.

Authors:

Skonnard, Aaron

Gudgin, Martin

About the Authors:

Skonnard, Aaron: Aaron Skonnard is a member of the technical staff at DevelopMentor, one of the nation's premier developer services companies. He is a contributing editor to MSDN Magazine, for which he writes "The XML Files" column. Aaron is the author of Essential WinInet (Addison Wesley, 1999) and coauthor of Essential XML (Addison Wesley, 2000).

Gudgin, Martin: Martin Gudgin works for Microsoft Corporation, where he is a Program Manager on the XML Web Services team. He spends his time thinking about various aspects of XML and Web Services, including schemas, protocols, metadata and extensibility. Martin is an editor of the W3C SOAP 1.2 specification and the W3C WSDL 1.2 specification. He is an active member of the Web Services Description and XML Schema Working Groups at the W3C, and is the author of Essential IDL (Addison Wesley, 2001).

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