XML document. XML documents may contain elements and attributes from different vocabularies but have the same name. By giving a namespace to each vocabulary, the ambiguity is resolved between identical element or attribute names. In XML documents, you declare XML namespaces with the reserved attribute xmlns, whose value must contain an Universal Resource Identifier (URI). URIS are used as identifiers; they typically look like a URL but they don't have to point to an existing web page. A namespace declaration can also contain a prefix, used to identify elements and attributes. Below is an example of a namespace declaration with and without prefix: xml ns:i bm = "http://www.ibm.com/ xml table/" xml ns - "http://www.ibm.com/xml table/"

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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XML document. XML documents may contain elements and attributes from different vocabularies but
have the same name. By giving a namespace to each vocabulary, the ambiguity is resolved between
identical element or attribute names.
In XML documents, you declare XML namespaces with the reserved attribute xmlns, whose value must
contain an Universal Resource Identifier (URI). URIS are used as identifiers; they typically look like a
URL but they don't have to point to an existing web page. A namespace declaration can also contain a
prefix, used to identify elements and attributes. Below is an example of a namespace declaration with
and without prefix:
xml ns: i bm = "http://www.ibm.com/ xml table/"
xml ns - "http://www.ibm.com/xml table/"
Transcribed Image Text:XML document. XML documents may contain elements and attributes from different vocabularies but have the same name. By giving a namespace to each vocabulary, the ambiguity is resolved between identical element or attribute names. In XML documents, you declare XML namespaces with the reserved attribute xmlns, whose value must contain an Universal Resource Identifier (URI). URIS are used as identifiers; they typically look like a URL but they don't have to point to an existing web page. A namespace declaration can also contain a prefix, used to identify elements and attributes. Below is an example of a namespace declaration with and without prefix: xml ns: i bm = "http://www.ibm.com/ xml table/" xml ns - "http://www.ibm.com/xml table/"
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