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Topic: Web services description language


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In the News (Sat 19 Dec 09)

  
  Web Services Description Language - Wikipedia, the free encyclopedia
WSDL is an XML-based service description on how to communicate using the web service; namely, the protocol bindings and message formats required to interact with the web services listed in its directory.
WSDL is often used in combination with SOAP and XML Schema to provide web services over the Internet.
XLang is an extension of the WSDL such that "an XLANG service description is a WSDL service description with an extension element that describes the behavior of the service as a part of a business process" [1].
en.wikipedia.org /wiki/Web_Services_Description_Language   (314 words)

  
 Web Service Definition Language (WSDL)   (Site not responding. Last check: 2007-10-05)
WSDL is extensible to allow description of endpoints and their messages regardless of what message formats or network protocols are used to communicate, however, the only bindings described in this document describe how to use WSDL in conjunction with SOAP 1.1, HTTP GET/POST, and MIME.
WSDL service definitions provide documentation for distributed systems and serve as a recipe for automating the details involved in applications communication.
WSDL recommends that specifications defining such protocols also define any necessary WSDL extensions used to describe those protocols or formats.
www.w3.org /TR/wsdl   (7553 words)

  
 Web Services Description Language (WSDL) Version 1.2 Part 0: Primer
WSDL 1.2 does not address the problem of Web service discovery, but WSDL 1.2 is intended to be used by discovery mechanisms that provide additional value to a client seeking a particular kind of Web service.
However, if a Web service description is complete enough to describe the syntax for interacting with the service, and the semantics of the interaction (or at least to unambiguously identify the semantics), then a client will be able to use a potential service regardless of how the service is discovered.
This section introduces the WSDL 1.2 mechanisms for defining an abstract interface to a Web service, independeint of the specific Web address and transport protocols that are used to implement the Web service.
dev.w3.org /cvsweb/~checkout~/2002/ws/desc/wsdl12/wsdl12-primer.html   (3644 words)

  
 Cover Pages: Web Services Description Language (WSDL)
WSDL enables one to separate the description of the abstract functionality offered by a service from concrete details of a service description such as 'how' and 'where' that functionality is offered.
WSDL is an emerging XML technology that provides enterprise organizations with the ability to define the specific interface requirements needed to publish and consume Web Services.
Web services are Internet applications that fulfill a specific task or a set of tasks that work with many other web services in an interoperable manner to carry out their part of a complex workflow or a business transaction.
xml.coverpages.org /wsdl.html   (13967 words)

  
 AMSSXP®: Web Services Description Language (WSDL) Explained
Web Services Description Language (WSDL) makes it easy to reap the benefits of SOAP by providing a way for Web service providers and users of such services to work together easily.
WSDL 1.1 was submitted, by IBM in 2001, to W3C as a NOTE (see http://www.w3.org/TR/wsdl.html).
Both the Bindings and Services sections comprise the concrete descriptions of a WSDL document.
amsoftwareservices.com /files/WSDLExplained.htm   (2270 words)

  
 Web Services Description Language
WSDL requires that the type name for an array is the concatenation of "ArrayOf" and the type of the items in the array.
It helps that WSDL also has an import construct so that the abstract definitions can be put in their own file, separate from the Bindings and Services sections, which can be distributed among service providers for whom the abstract definitions will have been established as a standard.
Another use of multiple elements is to classify the ports according to the underlying protocol.
www.cis.udel.edu /~natu/docs/WSDLExplained1.htm   (4526 words)

  
 Web Services Description Language (WSDL) 1.0
This version of the WSDL language is a first step that does not include a framework for describing the composition and orchestration of endpoints.
Composition of services must be type safe but also allow for reference passing with service references being exchanged and bound at runtime.
The authors of the WSDL specification intend to publish revised versions of WSDL and/or additional documents in a timely fashion which will include a (1) framework for composing services and a (2) framework for describing the behavior of services.
www.oasis-open.org /cover/wsdl20000929.html   (7025 words)

  
 Web Services Description Language (WSDL) Version 2.0 Part 1: Core Language
WSDL 2.0 enables one to separate the description of the abstract functionality offered by a service from concrete details of a service description such as “how” and “where” that functionality is offered.
Description component is just a container for two categories of components: WSDL 2.0 components and type system components.
Description component associated with an initial WSDL 2.0 document consists of the components defined in the initial document and the components associated with the documents that the initial document includes and the namespaces that the initial document imports.
www.w3.org /TR/wsdl20   (7713 words)

  
 Web Services Description Language Tool (Wsdl.exe)
The Web Services Description Language tool generates code for XML Web services and XML Web service clients from WSDL contract files, XSD schemas, and.discomap discovery documents.
The WSDL alone implements the WSDL contract (classes that implement the interface should not include either of the following on the class methods: Web Service attributes or Serialization attributes that change the WSDL contract).
WSDL documents are added in the /parameters WSDL file using the element, as the following code example demonstrates.
msdn2.microsoft.com /en-us/library/7h3ystb6(VS.80).aspx   (1426 words)

  
 Mozilla and Web Services
Web Services are an XML based technology that allow applications to communicate with each other, regardless of the environment, by exchanging messages in a standardized format (XML) via web interfaces (SOAP and WSDL APIs).
There are a number of publicly available services, listed by XMethods website, which the Mozilla implementation has used for some tests and use cases.
To understand the proxying model, that simplifies the calling of services by hiding SOAP details, refer to Accessing Web Services In Mozilla Using WSDL Proxying documentation.
www.mozilla.org /projects/webservices   (348 words)

  
 XML Web Services and SOAP
One essential point to be taken into account is that, the wsdl file is created by IIS from the asmx file.
Also, it is the wsdl file and not the asmx file, which is used by the WSDL program to create the proxy.
The original WSDL file is termed as the binding zzzSoap, but we modified it to zzzSoap1, since there already exists a portType named zzzSoap.
www.vijaymukhi.com /documents/books/xmlsoap/chap2.htm   (2717 words)

  
 ITworld.com - XML IN PRACTICE - WSDL: Web Services Description Language   (Site not responding. Last check: 2007-10-05)
The Web Services Description Language (WSDL) is an XML format for describing Web services.
WSDL is an XML application that models making information services available over the Web in a transport-independent way.
Still, WSDL is poised to become a major enabling technology for the developing "service Web".
www.itworld.com /nl/xml_prac/06212001   (410 words)

  
 Cover Pages: W3C Publishes Web Services Description Language (WSDL) Version 1.1.
Abstract: "WSDL is an XML format for describing network services as a set of endpoints operating on messages containing either document-oriented or procedure-oriented information.
The submitters of WSDL are encouraged to submit a position paper to this Workshop.
It is often very useful to reuse these services as part of a computer program that does further processing of the results delivered by the service.
xml.coverpages.org /ni2001-03-15-c.html   (580 words)

  
 WSDL ( Web Services Description Language) Definition
-based language used to describe the services a business offers and to provide a way for individuals and other businesses to access those services electronically.
WSDL is the language used to do this.
WSDL replaces both NASSL and SOAP as the means of expressing business services in the UDDI registry.
www.bitpipe.com /tlist/WSDL.html   (295 words)

  
 WSDL Tutorial
WSDL (Web Services Description Language) is an XML-based language for describing Web services and how to access them.
This chapter explains how UDDI (Universal Description Discovery and Integration) is integrated with WSDL.
DWebPro is a stand alone web server developed specifically for distributing dynamic web sites (for example PHP/MySQL, ASP.Net/Ms Access) on CD or DVD without needing to rewrite the web site code.
www.w3schools.com /wsdl/default.asp   (329 words)

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