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The foundations of XML are found in two World Wide Web Consortium
(W3C) recommendations: Extensible Markup Language and Namespaces
in XML. Using just these foundations, it is very simple and straightforward
to express a set of information in a labeled hierarchy. The hierarchy has
simple parent, child, and sibling relationships, and the labels used for the
information items found therein can be made globally unique and universally
identifiable.
Layered on top of the foundations are many and varied other W3C Recommendations
and International Organization for Standardization (ISO)
Standards used to implement text processing and information manipulation
tasks. These tasks can be used in tandem to solve both simple and very
challenging publishing and interchange problems.
Standardized in 1998, XML has been around long enough that the worldwide
community of XML users has created a sufficient oral tradition of use
and a plethora of freely-available examples of application to solve simple
markup problems.
Without guidance, however, it can be difficult to see how such a simple
technology can be used to meet some of the challenges faced in information
publishing and interchange. But these challenges are being faced and are
being overcome with expert application of the layered technologies. Tips
and techniques have been honed with the real-world deployments of such
technology by seasoned users of markup tools and standards. |
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 |  | Guide to Networking Essentials, 6th Edition
Guide to Networking Essentials, Sixth Edition, is intended to serve the needs of students,
instructors, aspiring information technology professionals, and others who are interested in
learning more about networking technologies but who might have little or no background in
this subject matter. This book’s extensive and broad... | | |
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