A few weeks after agreeing on XHTML interoperability standards, the World Wide Web Consortium
(W3C) Wednesday issued XML Schema as a W3C recommendation to help developers improve
the functionality of e-commerce systems.
The Cover Pages: W3C Recommendation: Character Model of the World Wide :: XML. SGML. Schemas. XSL/XSLT/XPath. XLink. XML Query. CSS. SVG. TECHNOLOGY World Wide Web Consortium Issues Critical Internationalization Recommendation http://xml.coverpages.org/CharmodREC.htmlHOME |
XML schemas define shared markup vocabularies, the structure of XML
documents which use said vocabularies, and provide hooks to associate
semantics with them. And as W3C spokesperson Janet Daly has said in the
past, a W3C recommendation is as good as done as it has fulfilled stability
requirements by the group.
World Wide Web Consortium:: W3Cs nearly 400 member organizations lead the World Wide Web to its full potential. Founded by Tim Berners-Lee, the and issues of internationalizing http://www.w3.org/Consortium/Member/Testimonial/Home/home-294HOME | W3C in the Press in 2006:: World Wide Web Consortium, Tim Berners-Lee, OWL, RDF, Semantic Web, Web Services, XML, XML Schema W3C Issues Mobile Web Best Practices, HTML, Mobile http://www.w3.org/Press/Articles-2006.htmlHOME |
Two years in the making, the schemas were created by bringing data types to
XML to increase its performance for developers of e-commerce systems,
database authors, or anyone who is in the business of managing copious
amounts of data on the Web. Using tighter integration, the Schemas make it
easier to define the elements and attributes in a namespace, and to validate
documents.
XHTML - Archive (eGovernment Resource Centre):: World Wide Web Consortium Issues XHTML 1.1 and Ruby Annotation as W3C Modularization of XHTML in XML Schema Published - 19 December 2001: The W3C HTML http://www.egov.vic.gov.au/index.php?env=-innews/detail:m1226-1-1-8-s-0:n-841-0-0--HOME | IBM SJ 45-2 | Virtual XML: A toolbox and use cases for the XML world :: IBM Systems Journal issue 45-2, Celebrating 10 Years of XML - Feature paper World Wide Web Consortium (February 2004), http://www.w3.org/TR/xml-infoset. http://www.research.ibm.com/journal/sj/452/roseref.htmlHOME |
The XML Schema specification consists of three parts: the first part defines
a set of basic datatypes, which can be associated with XML element types and
attributes to help software do a better job of managing dates, numbers, and
other forms of information; the second part poses methods for describing the
structure and constraining the contents of XML documents, and defines the
rules governing validation of documents; the third is a primer, which
explains what schemas are, how they differ from DTDs, and how someone builds
a schema.
One of the interesting features of an XML Schema is that a Web developer can
build a schema that borrows from a previous schema, but overrides it where
new unique features are needed. This is similar to the behavior of Cascading
Style
Sheets and allows the user to develop XML Schemas that best suit their
needs, without building an new vocabulary.
World Wide Web Consortium Issues SOAP Version 1.2 as a W3C Recommendation:: 24 June 2003 -- The World Wide Web Consortium (W3C) today releases the SOAP to work seamlessly with W3C XML schemas, maximizing SOAPs utility with a http://www.w3.org/2003/06/soap12-pressreleaseHOME | Resource Description Framework (RDF) / W3C Semantic Web Activity:: Official pages from the World Wide Web Consortium, includes the specification, resources and news, An RDF Schema for the XML Information Set. W3C Note 06 http://www.w3.org/RDFHOME |
"XML Schema makes good on the promises of extensibility and power at the
heart of XML," said Tim Berners-Lee, W3C director and father of HTML. "In
conjunction with XML Namespaces, XML Schema is the language for building XML
applications."
Supporters of XML Schema include Sun Microsystems Inc., Commerce One Inc.
and IBM Corp.
Oracle Corp., too, stood up for XML Schema. In a public statement Wednesday, the software giant said its Oracle9i Database will be the first production database to implement the final
recommendation for the standard. The firm said it gave Java, XML and SQL developers early access to each new version of the specifications.
XML Schema tools include Validator and Test Suite Collection W3C. W3C
invites developers to send in sample schemas for a test, to be reviewed and
managed by the W3C XML Schema Working Group.
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