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XML Listings
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141 | Displaying: 81 - 90 | Pages: << 1 2 3 4 5 6 7 8 9 10 >> |
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This Web Service article series covers all the important standards in the Web Services stack and ties them together with real-world examples. The first article in this series discusses XML (Extended Markup Language). XML provides a significant advance in how data is described and exchanged by Web-based applications using a simple, flexible, standards-based format. The article focuses on XML Schema, an important component of creating XML.
Updated: 04/30/2005
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This article explains with a brief example of an interface definition language for web services, motivated by a desire to avoid the excesses of WSDL and to obtain an interface language that does a better job of encouraging reuse and supporting the typeless or document style of schema definitions that will be seeing increasing use. It would be nice if RSWS were further refined, and if some tools became available. While it is unlikely, RelaxNG shows that it is possible for systems that compete with W3C specifications to gain some traction and market share of their own.
Updated: 04/30/2005
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This article is the third installment in a series on using UML to model XML vocabularies. The examples are based on a simple purchase order schema included in the W3C XML Schema Primer, and we\'ve followed an incremental development approach to define and refine this vocabulary model with UML class diagrams. The first objective of this third article is to complete the process of refining the PO model so that the resulting schema is functionally equivalent.
Updated: 04/30/2005
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Pattern recognition is fundamental to the human intellect. In pursuits as varied as art appreciation, home repair, and software engineering, patterns naturally inform our thinking and help us to mature. The practice of pattern recognition and use was first formalized with respect to object-oriented analysis and design (see GoF ) and is for many people closely associated with OOP languages such as C++ and Java.
Updated: 04/30/2005
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This article is the third and final part of the WSDL Tales from the Trenches series, and in it I concentrate on the data in web services. More specifically, I examine the type definitions and element declarations in the types element of a WSDL document. Such types and elements are for use in the abstract messages, the message elements in a WSD. WSDL does not constrain data definitions to W3C XML Schema (WXS).
Updated: 04/30/2005
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In this week\'s XML-Deviant column, I examine an XML best practice guide under development by the IETF, as well as the XML Schema language debate which it has reignited. Best Practices An new Internet Draft, \"Guidelines for the Use of XML within IETF Protocols\" , is currently working its way through the IETF process. Its authors have recognized the growing interest in using XML to represent structured data within Internet protocols.
Updated: 04/30/2005
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This week XML-DEV has been considering some interesting twists on XML data processing, prompted by the use of regular expressions in the W3C XML Schema specification to define complex data types. Complexity While the world may be increasingly surrounded by pointy brackets, the majority of data exchanged isn\'t XML, which will be true for some time to come (if not always). Yet even in situations where data has been generated as XML, there is a near infinite.
Updated: 04/30/2005
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As regular readers of the XML Schema Clinic likely know, I tend to view the world of XML through object-oriented glasses. For this installment, though, we\'re reaching out to the relational data folks, switching lenses for one eye at least. The goal is to see what relational concepts we can usefully apply to XML. Can the normal forms that guide database design be applied meaningfully to XML document design? Note that we\'re not talking about mapping.
Updated: 04/30/2005
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After a short break, the XML-Deviant returned to find that the W3C XML Schema specification has finally reached Proposed Recommendation and that work on innovative alternative schema languages continues. Proposed Recommendation The finish line is now in sight for the members of the W3C XML Schemas Working Group. The XML Schema specifications are an important step closer to completion with their promotion to Proposed Recommendation status.
Updated: 04/30/2005
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It\'s been a little more than three years since I first started working in XML in general and SOAP in particular. For the past year or so, my own SOAP work has been pretty minimal, mainly because without a stable XML Schema specification, the thought of building tons of SOAP support plumbing seems pretty futile. Now that the XML Schema WG has more or less completed its work, it\'s time to get back to work (for me at least). My first \"official\" act in this next.
Updated: 04/30/2005
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XML Listings
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Total:
141 | Displaying: 81 - 90 | Pages: << 1 2 3 4 5 6 7 8 9 10 >> |
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