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Topic: Web Services Discovery

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	Web Services Architecture
		We distinguish a number of things in their relation to a service: a service has an owner; a service must be realized by a (software) provider agent; a requester agent may interact with a provider agent; and a provider agent has an owner (the provider entity).
		Web services are inherently about computer-to-computer interactions between requester and provider agents; yet they are also ultimately deployed in human service because the requester and provider agents act on behalf of their owners.
		Furthermore, the primary role of a discovery service is to facilitate the discovery of Web services.
	www.w3.org /TR/ws-arch (10710 words)

	Web Services Discovery - Wikipedia, the free encyclopedia
		After Web services are created and published in Web services registries such as UDDI or Web Services Inspection Language (WSIL) documents, the service users or consumers need to search Web services manually or automatically.
		In fact, in a business solution, it is very normal to search multiple UDDI registries or WSIL documents and then aggregate the returned result by using filtering and ranking techniques, which are used in Google today.
		The released technology from IBM is Business Explorer for Web Services (BE4WS), which was the first released technology to target on federated Web services discovery.
	en.wikipedia.org /wiki/Web_Services_Discovery (242 words)

	Intelligent Web Services Discovery (Site not responding. Last check: 2007-10-14)
		Web Services are a high-profile technology that will enable applications to talk to each-other.
		In an open environment where millions of services need to talk to each other specialized infstructure must be in place such that the good conversation partner can be found.
		Web service discovery is the process trough which services that advertised some given capabilites can be found and selected by using directories.
	liawww.epfl.ch /Teaching/StudentProjects/Proposed/intelligent_web_services_discovery.html (287 words)

	Web Services [encyclopedia] (Site not responding. Last check: 2007-10-14)
		Web services are applications whose logic and functions are accessible using standard Internet protocols and data formats such as Hypertext Transfer Protocol (HTTP) and Extensible Markup Language (XML).
		This is one of the simplest forms of a Web service in that the request is filled almost immediately, with the request and response being parts of the same method call.
		A Web service interface is defined strictly in terms of the messages that the service accepts and generates.
	kosmoi.com /Computer/Internet/Web/WS (761 words)

	Cover Pages: Microsoft Releases Web Services Dynamic Discovery Specification (WS-Discovery).
		Services may be organized in a hierarchical scope, and clients can query for services by type as well as scope without heavy administrative costs.
		To find a target service by the type of the target service, a scope in which the target service resides, or both, a client sends a probe message to a multicast group; target services that match the probe send a response directly to the client.
		While the definition of a discovery proxy-specific protocol is beyond the scope of this specification, it is expected that any such protocol would define search messages clients send directly to the discovery proxy rather than to a multicast group.
	xml.coverpages.org /ni2004-02-17-b.html (2279 words)

	XLANG
		A service may be explicitly instantiated using some implementation-specific functionality or it may be implicitly instantiated with an operation in its behavior that is meant to be an instantiation operation.
		The initiating service clearly needs to know the port type and binding since it must know the abstract shape and wire format of the messages to be sent and received, as well as their intent.
		A service instance that represents a participant in such an interaction must have the means to maintain the state of its view of the interaction, in particular the data accumulated during the history of the interaction.
	www.gotdotnet.com /team/xml_wsspecs/xlang-c/default.htm (9214 words)

	Web Services Programming with WebSphere Studio Application Developer: Part 1 -- Web Services Discovery and Evaluation (Site not responding. Last check: 2007-10-14)
		The task of discovery and evaluation of Web services can be complex and often may require writing code.
		Suppose we are interested in Web services that provides mortgage payment calculations and we do not know or do not care what the Web service provider is. With IBM UDDI Explorer the task of finding a Web service based on its description is simple.
		The powerful Web Service client wizard performs all programing tasks required to evaluate Web service, including a generation of a Test Client web application that can be used to unit test a Web service.
	www7b.software.ibm.com /wsdd/library/techarticles/0204_pacholski/pacholski.html (1352 words)

	System.Web.Services.Discovery
		Represents a collection of documents discovered during XML Web services discovery that have been downloaded to the client.
		Represents the root element of an XML document containing the results of all files written when the WriteAll method is invoked.
		Represents a reference in a discovery document to an XML Schema Definition (XSD) language schema.
	www.nedcomp.nl /support/origdocs/dotnetsdk/cpref/frlrfsystemwebservicesdiscovery.htm (148 words)

	phpUDDI :: Web Services Discovery with PHP
		I hope to be able to devote more time to this project after the middle of the year, and hope in the meantime that you'll find this early version to be useful.
		Web Services are basically a way for applications to communicate with one another over the Internet directly without human intervention.
		He is one of the founders and a co-adminstrator of HiveMinds.Info, a web developers' discussion and resource site with active members from over a dozen countries.
	phpuddi.sourceforge.net (1130 words)

	Cover Pages: Universal Description, Discovery, and Integration (UDDI)
		The Universal Description, Discovery, and Integration (UDDI) protocol is a key member of the group of interrelated standards that comprise the Web services stack.
		The registry must be based upon the UDDI standard to support the Discovery of services on an enterprise scale in order to comply with the OSD Net-Centric checklist and to integrate with the NCES Core Discovery service.
		The Web Services Description Language (WSDL) is a general purpose XML language for describing the interface, protocol bindings, and the deployment details of network services.
	www.oasis-open.org /cover/uddi.html (15647 words)

	Java Web Services: Chapter 6: UDDI: Universal Description, Discovery, and Integration
		Web services are becoming the basis for electronic commerce of all forms.
		For example, if you use a tool that creates a web service, that tool should be able to not only deploy the web service into production, but add it to the UDDI registry for you on your behalf.
		Writing a Java program that creates a complete web service registration to a UDDI registry requires a lot of effort: an understanding of SOAP, accessing a UDDI registry using the correct SOAP messages, and ensuring that WSDL documents are placed in the correct locations in a UDDI registry.
	www.oreilly.com /catalog/javawebserv/chapter/ch06.html (9009 words)

	Resolution and Constraint Propagation for Semantic Web Services Discovery (Site not responding. Last check: 2007-10-14)
		The purpose of semantic web services discovery is to use semantic knowledge to.nd services that can be composed to form an admissible answer to a query.
		In this paper we consider the advantage of adopting a knowledge-based approach to web services discovery.
		Services are described by means of terminological axioms and constrained clauses.
	csdl2.computer.org /persagen/DLAbsToc.jsp?resourcePath=/dl/proceedings/&toc=comp/proceedings/ride/2004/2095/00/2095toc.xml&DOI=10.1109/RIDE.2004.1281699 (193 words)

	UDDI.org (Site not responding. Last check: 2007-10-14)
		UDDI Version 3 builds on the vision of UDDI: a "meta service" for locating web services by enabling robust queries against rich metadata.
		By emphasizing the interaction of private and public registries, Version 3 of the specification helps to bring the vision of wide deployment of web services closer to fruition.
		UDDI Version 1, 2 and 3 specifications, along with Errata and supporting WSDL service interface descriptions and tModel overview documents can be found at http://uddi.org/specification.html.
	www.uddi.org (292 words)

	A XML SOAP WSDL UDDI Web Services Mall - information and resources on Web Services and related technologies
		The XML, SOAP based Web Services are emerging as tools for creating next generation distributed systems.
		Besides recognizing the heterogeneity as a fundamental ingredient, these web services, independent of platform and development environment can be packaged and published on the internet.
		Any kind of service can be registered in the UDDI Business Registry, such as manual services and electronic services, but the primary intent behind UDDI is to provide a global registry for Web Services.
	www.webservicesmall.com (338 words)

	Creating and Consuming Web Services (Site not responding. Last check: 2007-10-14)
		Web Services signal a new era of lightweight distributed application development.
		While Web Services are not intended nor do they have the power to solve every distributed application problem, they are an easy way to create and consume services over the Internet.
		One of the design goals for Web Services is to allow companies and developers to share services with other companies in a simple way over the Internet.
	www.extremetech.com /article2/0,1697,11511,00.asp (788 words)

	IBM Software: Solutions: Web services by IBM: UDDI (Site not responding. Last check: 2007-10-14)
		Today's business imperatives are clearer than ever: beat competitors to market with new products, deliver personalized service, increase customer loyalty, and evolve at electronic speeds.
		Web services based on UDDI are an evolution in e-business applications that will help you reach these goals and take B2B to the next level.
		The IBM Universal Description, Discovery and Integration (UDDI) Business Registry is a database that facilitates the rapid participation of business in the e-commerce and business-to-business marketplaces.
	www-3.ibm.com /services/uddi (249 words)

	WebServices.Org
		Introduction to Web Services Architecture: SOADesigned for IT managers and architects, this paper argues that Web services can be thought of as ‘Internet middleware’, and provides a detailed overview of a Web services architecture.
		As underlying Web services standards congeal and the technology matures, more and more companies will be moving more deeply into Web services, and ultimately, service-oriented architectures (SOAs).
		Ali Arsanjani, Chief Architect, SOA and Web services Center of Excellence, IBM, discusses the highlights of service-oriented modeling and architecture; the key activities that you need for the analysis and design required to build a Service-Oriented Architecture (SOA).
	www.webservices.org (1476 words)

	Deploying Web Services - Knowledge Discovery Keys
		I am fairly new to web services and I would really appreciate if someone could give me a little help.
		I am able to implement and use my web service locally from the computer I am implementing it on.
		I would now like to invoke my web service from the other computers on the network, but I don't quite know how to do this.
	www.kdkeys.net /forums/989/ShowPost.aspx (255 words)

	.NET 247 : System.Web.Services.Discovery.DiscoveryRequestHandler Class [Articles]
		Once a Web Service has been deployed, potential users must be able to discover where it is and how it works.
		DISCO is a Microsoft® technology for publishing and discovering Web Services.
		Universal Description, Discovery, and Integration (UDDI) is an industry-wide initiative that defines a SOAP-based protocol for updating and querying Web Service information repositories.
	www.dotnet247.com /247reference/System/Web/Services/Discovery/DiscoveryRequestHandler.aspx (260 words)

	Linux News: News: Microsoft, Intel Push Web Services Discovery Spec
		Various standards bodies and organizations are contributing to and competing for different Web services formats, but promoters of the new WS-Discovery specification say it will expand the market for Web services more than other specs by seamlessly connecting all kinds of devices -- including desktops and cell phones -- to the networked world.
		However, the partners behind WS-Discovery call it the most effective means to join a range of devices, old and new, to Web services -- a field of technology that is increasingly the subject of standards battles.
		Allavarpu called the lack of interoperable standards a significant barrier to adoption and use of Web services, adding that, to succeed, Web services specifications must work with both Windows and non-Windows environments.
	www.linuxinsider.com /story/32901.html (917 words)

	Microsoft UDDI Business Registry (UBR) node
		This integrated, standards-based feature enables efficient discovery, sharing and reuse of Web services within and between enterprises.
		The Office XP Web Services Toolkit 2.0 enables developers to quickly and easily discover, reference, and integrate XML Web services into custom Office XP solutions.
		Service registration is available in the 'XML Web Services' section of the start page and service searching and integration is available in the 'Add Web Reference' dialog.
	uddi.microsoft.com (208 words)

	Web Services Architecture Working Group
		Draft of proposal for lifecycle and state for Web services (2002-11-11)
		Please refer to the Web Services Architecture Working Group patent disclosures document.
		See also the documents produced by the TAG and their homework section.
	www.w3.org /2002/ws/arch (280 words)

	Metal Detectors Web : Discovery Metal Detector
		Installation and service of systems for home and business, including fire alarm,security, paging, intercom and closed-circut TV.
		As with every resource on the internet, it is your responsibility to judge the accuracy or completeness of the content before relying on it in any way.
		Metal Detectors Web excludes all liability of any kind (including negligence) in respect of any third party information or other material made available on, or which can be accessed using, this Website.
	metaldetectorsweb.com /discoverymetaldetector/index.php (772 words)

	UDDI.org
		It is the UDDI Spec TC's charter to continue work on UDDI to specifically focus on Web services registry needs.
		UDDI specifications form the necessary technical foundation for publication and discovery of Web services implementations both within and between enterprises.
		You can obtain additional information related to TC deliverables or contributed material in its document section of the TC's web pages; the UDDI v1 contributed specifications can be found at that location.
	www.uddi.org /specification.html (281 words)

	Discovery IT - Discovery IT Services (Site not responding. Last check: 2007-10-14)
		From large companies to sole traders we can meet your Information Technology needs and reduce your IT spending.
		What's more, Discovery IT is totally independent of any one supplier and our services are 100% FREE.
		Discovery IT have proved to be invaluable in helping to resolve
	www.discoveryit.co.uk (107 words)

	Primer: Web Services Experience Language (Site not responding. Last check: 2007-10-14)
		A language designed to allow Web site owners to present—on their own Web sites, and carrying their own brand and look-and-feel—an application they buy or rent from someone else.
		WSXL is designed to let Web site owners go into business together by presenting one application within another, then sharing the revenue that comes from the combination of the two.
		The application provider might get a cut of any sales made using the tool; or, in the case of the mapping application, might be paid according to the number of times it's used, in the same way a direct-mail-marketing firm is paid for each prospective sale it generates.
	www.baselinemag.com /article2/0,1397,1764725,00.asp?kc=BARSS03129TX1K0... (919 words)

	Web Services - Testing the Waters (Site not responding. Last check: 2007-10-14)
		Web services promise to do far more than update stock portfolios.
		The BlueMatrix Web service uses SOAP to grab relevant client e-mail addresses from salesforce.com, handling mass mailings dynamically.
		The ultimate power of Web services will come only when they're plentiful—when UDDI directories let you pick services like apples from a tree.
	www.pcmag.com /article2/0,1895,154693,00.asp (1212 words)

	XML/RDF
		The Resource Description Framework (RDF) integrates a variety of applications from library catalogs and world-wide directories to syndication and aggregation of news, software, and content to personal collections of music, photos, and events using XML as an interchange syntax.
		These documents, written in the XML, RDF and XHTML languages, are harvested by our Web indexing programs, which then merge the resulting information to form one big database.
		By exploiting various features of the RDF technology alongside related tools such as digital signature, we can use the Web to retrieve structured information that machines can process and act upon.
	www.wsindex.org /XML/RDF/index.html (323 words)

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