XML namespace
An identifier in an Extensible Markup Language (XML) message for element types and attribute names referenced by a Universal Resource Identifier (URI). The URI refers to the document that contains definitions for the element types and any attribute names.
For example:
xmlns="http://www.actuate.com/soap/2001/12/eReportSchema/ClusterAdministration"
Related terms
attribute, element, Extensible Markup Language (XML), uniform resource identifier (URI)
Contrast with
Unicode

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