XPath

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XPath

(XML PATH) A sublanguage in an XSL style sheet that is used to identify XML elements for processing. It is also used to calculate numbers and manipulate strings. XPath and XSLT expressions are intertwined. For example, although XPath can reference a variable, the variable must be created and given a value in XSLT. XPath syntax is somewhat like the directory addressing in Unix, which uses a slash for the root directory as well as the separator between hierarchies. See XSL and XQuery.
References in periodicals archive ?
Some of these technologies are SOAP [4], WSDL [5], UDDI [6], XML Schema [7], document object model (DOM) Application Program Interface (API) [8], Extensible Style sheet Language (XSL) [9], XSL Transformations (XSLT) [10], XML Path language (XPath) [11] and many more.
Similarly, [11] presents a novel data structure, the bloom histogram, to approximate XML path frequency distribution within a small space budget and to accurately estimate the path selectivity.
The rest of this paper is organized as follows: In Section 2, we describe the subtree-based XML storage with the XPFS tree, which is the XML path and fragmentation schema needed in our proposed solution.
Some chapters, like Maureen E Walsh's "Metadata Repurposing Using XSLT" are nearly incomprehensible to the technological novice, as when she defines the transformation language XLST by explaining, "The XSL family is made up of XSL Transformations (XSLT), XML Path Language (XPath) and XSL Formatting Objects (XSL-FO)" (p.
The complexity of traversal pathways was evaluated as the length of the XML Path Language (XPath) expression (22) and the number of text matching operations required for traversal from the document root to representative document sections or data elements (Table 2).
Learning XSLT" also explains how the XML Path Language (XPath) is used by XSLT and provides a glimpse of what the future holds for XSLT 2.
In Chapter 5, "Paths," Fung discusses the XML Path Language, Xpath.
Oracle XML DB really provides an implementation inside the Oracle engine of an XML data type, the ability to reference XML path expressions in SQL statements, basically allowing you to use SQL and XML interchangeably or as one language to access both SQL and XML data," says Jacobs.
Finally, on November 16, the consortium released two specifications, XSL Transformations (XSLT) and XML Path Language (XPath), as recommendations.
Experimental results show that INLAB can process XML path queries by up to an order of magnitude faster than conventional top-down approach.