Web services

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Web services

[′web ‚serv·ə·səs]
(computer science)
A collection of SML-based standards that enable electronic communication and interaction independently of the computer platforms or specific technologies used by the communication parties.

Web Services

(standard, programming, software)
A family of standards promoted by the W3C for working with other business, developers and programs through open protocols, languages and APIs, including XML, Simple Object Access Protocol, WSDL and UDDI.

W3C Web Services.

Web services

(1) In general, any online service delivered from a website. Since there are countless applications and services that emanate from the Web, such usage of the term is commonplace in articles from non-IT publications. Although the term may also appear in technical journals to refer to any offering on the Web, the astute journalist avoids such usage because "Web services" has a very specific definition (see #2). This is another example of generic names coined for specific technologies (see naming fiascos).

(2) When mentioned in the plural ("Web services"), the term often refers to an interface for a service oriented architecture (see SOA), in which Web-based applications dynamically interact with each other using open standards that include XML, HTTP, UDDI and SOAP. Such applications typically run behind the scenes, one program "talking to" another, server to server or client to server.

Services are registered on the Internet so that applications can search for, find and seamlessly exchange data with them. Both desktop and mobile devices can use them, and if the service is fee based, payment processing is included. For mobile Web services protocols, see DPWS.

Private Implementations
Web services are also used when large enterprises need to exchange data with their divisions, subsidiaries or clients. In such controlled situations, the data being passed are easily defined. In addition, since Web services use open standards, vendors can supply customers with client-side software no matter what the platform.

In the past, the Web services style of architecture was occasionally realized within private networks using the industry standard CORBA and Microsoft's DCOM distributed component platforms. See CORBA and DCOM.

It's Just a Protocol
Web services define the format, transport and interface standards, not the meaning of the data exchanged. Before any Web service can be put into operation, there must be industry agreement on the vocabulary and functions each service component must provide (see ebXML). See Web services protocols and XML.

Web Services Protocol Stack
UDDI is used to register and discover the service described in the Web Services Description Language (WSDL). UDDI transactions use SOAP to talk to the UDDI server, and the application uses SOAP to request the service. SOAP messages are delivered by HTTP over TCP/IP. See SOAP, UDDI, HTTP and TCP/IP.
References in periodicals archive ?
This new capability for Wittmann robots complements the company's Webservices tools already available for its injection machines and central material-handling systems.
The Museum Publicity website provides RSS news feeds and links to Facebook, Twitter, Digg, Google, Yahoo, MSN, Windows Live, BeBo and many other online webservices.
Country: UKSector: IT/Online ServicesTarget: eLINIA WebServices LimitedBuyer: Adapt Services LtdType: Corporate acquisitionStatus: Agreed
Sabre will provide Dnata Travel Services with Sabre GDS content through Sabre tools and WebServices products for use by Dnata Travel Service's state-of-the-art technology suite.
Under the terms of the agreement, Sabre will provide Dnata Travel Services with Sabre GDS (global distribution system) content through Sabre tools and WebServices products, for use by Dnata Travel Service's technology suite.
5 frameworks; as well as RESTful WebServices support.
KeyTech PLM, Netex Webservices and Peal firms have taken units at Riley Court at the University of Warwick Science Park after representatives visited Coventry as part of a programme to attract inward investment into the West Midlands.
He then founded, along with a number of his former colleagues, Elinia WebServices, based at Cardiff Gate.
Other factors cited by IBM for not participating in WS-Eventing include its work to develop a standard way to manage distributed resources through the Organization for the Advancement of Structured Information Standards (OASIS's) WebServices Management Technical Committee, and special considerations imposed on eventing by grid.
Palabras Claves: Webservices, procesos administrativos, codigo libre, Java, plataformas, sistemas distribuidos, integracion, middleware, RMI, XML.
The prestige event , called Practical eCommerce for SMEs (small and medium-sized enterprises), are being jointly presen ted by the p ionee r ing eCommerce Innovation Centre (eCIC) and BTs Ignite WebServices at BT Ignite's centre at Cardiff International Arena.
The prestige event, called Practical eCommerce for SMEs (small and medium-sized enterprises), are being jointly presented by the pioneering eCommerce Innovation Centre (eCIC) and BTs Ignite WebServices at BT Ignite's centre at Cardiff International Arena.