For Immediate Release August 19, 2002 For more information, a review copy, cover art, or an interview with the author, contact: Kathryn Barrett (707) 827-7094 or email@example.com
Locating Content in XML Documents Just Became Easier O'Reilly Releases "XPath and XPointer"
Sebastopol, CA--Without pausing to wonder why anyone would ever want or need to find a needle in a haystack, we can assume that it would be a fairly tedious task, almost as difficult as referring to specific information inside an XML document. The challenge in either case is how to differentiate what you're looking for from everything that surrounds it. Although there are as yet few helpful tools for finding needles in haystacks, XML developers can turn to XPath and XPointer, two closely related languages that play a key role in XML processing by allowing developers to manipulate embedded information. XPath is used for locating XML content within an XML document; XPointer is the standard for addressing such content, once located. Developers will find all the information they need to begin using these two technologies in O'Reilly's latest release, "XPath and XPointer" by John Simpson (US $24.95). This concise book fills an essential need for XML developers by dealing with a topic that has been addressed inadequately until now. John Simpson, author of XML.com's monthly XML Q&A column, offers practical knowledge of the two languages that underpin XML, XSLT, and XLink. "XPath and XPointer" cuts through basic theory and provides real-world examples that developers can use right away. "Understanding XPath is absolutely critical to using XSLT effectively, as well numerous other XML-related standards and applications such as XQuery, the Document Object Model (DOM) Level 3, MSXML applications, XForms, and even XML Schema," says Simpson. "The importance of XPointer will grow enormously once the spec attains full W3C Recommendation status and XLink and XPointer-aware applications become commonplace and a little less 'bleeding edge' and theoretical." Written for XML developers, document authors, and others with a need to address specific portions of XML documents, "XPath and XPointer" assumes a working knowledge of XML and XSLT. It begins with an introduction to XPath basics. Readers will learn about location steps and paths, XPath functions and numeric operators. After covering XPath in depth, the book moves on to XPointer--its background, syntax, and forms of addressing. By the time they have finished the book, readers will know how to construct a full XPointer (one that uses an XPath location path to address document content) and completely understand both the XPath and XPointer features it uses. "XPath and XPointer" contains material on the forthcoming XPath 2.0 spec, as well as versions 1.0 of both XPath and XPointer. A succinct but thorough hands-on guide, no other book on the market provides comprehensive information on these two key XML technologies in one place. Additional resources: An article by the author,"Of Grouping, Counting, and Context," can be found at: http://www.xml.com/pub/a/2002/07/31/qa.html "XPath and XPointer" is also available on Safari Books Online, see: http://safari.oreilly.com/ Chapter 3, "Location Steps and Paths," is available free online at: http://www.oreilly.com/catalog/xpathpointer/chapter/index.html For more information about the book, including Table of Contents, index, author bio, and samples, see: http://www.oreilly.com/catalog/xpathpointer/ For a cover graphic in jpeg format, go to: ftp://ftp.ora.com/pub/graphics/book_covers/hi-res/0596002912.jpg XPath and XPointer By John E. Simpson ISBN 0-596-00291-2, 196 pages, $24.95 (US), $38.95 (CAN) firstname.lastname@example.org 1-800-998-9938 1-707-827-7000 http://www.oreilly.com About O'Reilly O'Reilly & Associates is the premier information source for leading-edge computer technologies. The company's books, conferences, and web sites bring to light the knowledge of technology innovators. O'Reilly books, known for the animals on their covers, occupy a treasured place on the shelves of the developers building the next generation of software. O'Reilly conferences and summits bring alpha geeks and forward-thinking business leaders together to shape the revolutionary ideas that spark new industries. From the Internet to XML, open source, .NET, Java, and web services, O'Reilly puts technologies on the map. For more information: http://www.oreilly.com # # # O'Reilly is a registered trademark of O'Reilly & Associates, Inc. All other trademarks are property of their respective owners.
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subject: XPath and XPointer - Release Announcement - O'Reilly