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Essay / Research Paper Abstract
This 5 page paper provides an overview of schema languages. Specifically, this paper looks at Document Type Definition, or DTD, a schema language that is used to describe the contents of a specific document. Bibliography lists 4 sources.
Page Count:
5 pages (~225 words per page)
File: MH11_MHSchema.rtf
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Unformatted sample text from the term paper:
based on that source. Other source earlier source material was removed. In the future, please specify dates for source material if you want sources later than 2002.
DTD-Document Type Definition Document Type Definition, or DTD, is a schema language that is used to describe the contents of a specific document. DTD is commonly used to
describe the content of a SGML document, and is also within the scope of an XML document(Refsnes, 2005). DTD is limited because it can be used to determine the
contents of SGML documents, but cannot be used to define the namespace of XML documents (Refsnes, 2005). "As a result, XML schemas such as W3C XML Schema and RELAX
NG are used to define the content of an XML document" (Refsnes, 2005). DTD is valuable because each XML file that is described utilized DTD can carry its
individual description of the format (Refsnes, 2005). As a result, DTD allows for the restriction of data being conveyed based on the use of the descriptors, thus limiting access
to individuals outside of those who share the common DTD for interchanging information (Refsnes, 2005). At the same time, recent changes and expansions of existing schema languages have resulted
in the view that DTD will have limited applications in the future (Bray et al, 2004). W3C XML Schema As
the convenience and need for electronic communications of all types of content continue to grow in importance to both businesses and individuals, the strain on HTML-based systems intensifies. Extensible
markup language (XML) is heralded as being the electronic communications language of the future as it makes greater inroads today. The World Wide Web Consortiums (W3C) XML Schema language
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