XML essentials (PDF) - Chagall

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XML elements can have attributes (e.g., attribute=”” or size=””). Attributes are often used to describe properties of the element, such as size and color of the “boat” element in Document 1. Together with the ability to create a hierarchy of elements, these features make it possible to represent a variety of information. For instance, Document 2, below, illustrates how data and information can be represented in XML and shows that text can be used as a child of element (see ).
Many software tools support XML schemas. An XML schema defines what constitutes a valid XML document. For instance, a schema is used to define the name of the root element for documents that contain submissions for SigPath. According to the current SigPath schema, the root element of valid XML information exchange documents must be named . The SigPath submission schema describes many more constraints on submission documents. These constraints are useful to remove ambiguity and assist users in building consistent submissions. A complete description of the SigPath schema is accessible from the Project web site: Open http://www.sigpath.org/ and click on the “SigPath XML schema” link on the menu bar (top left of the page). Figure 1. The SigPath XML Schema page is shown. The page presents the schema documentation, a link to the most recent schema and XML submission examples. Fabien Campagne, October 8 th 2003. For up-to-date information, please visit: http://www.sigpath.org/ 3
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XML essentials (PDF) - Chagall

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