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Elena pierazzo - PowerPoint PPT Presentation

Predicates

Predicates. Elena Pierazzo 2006-2007. Intro. Part of XPath Refine the filtering of selected nodes Only nodes that correspond to the predicates assumption will be considered Syntax: [predicate_content]. E.g. Only elements that have a particular attribute value

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XPath and trees

XPath and trees. Elena Pierazzo 2006-2007. XPath. A language to describe how to locate a part of an XML document Used in many XML-based technologies and tools. XML documents: a tree view. <p> Here is some <hi type=" ital " > highlighted </hi> text. </p>. node. link.

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208 views • 12 slides

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Elena pierazzo - PowerPoint PPT Presentation

Predicates

XPath and trees