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What is Semantic Web Services

Chapter 14
Handbook of Research on Architectural Trends in Service-Driven Computing
Web services annotated with semantics. Semantic Web services extend the existing Web services with semantic capability.
Published in Chapter:
Automating Web Service Composition: An Ontological Agent Framework
Tamer M. Al Mashat (Cairo University, Egypt), Fatma A. El-Licy (Cairo University, Egypt), and Akram I. Salah (Cairo University, Egypt)
Copyright: © 2014 |Pages: 24
DOI: 10.4018/978-1-4666-6178-3.ch014
Abstract
In the Service-Driven Computing paradigm, applications are typically built by composing a set of Web services. Web service composition facilitates rapid development of applications via service reuse and enables the creation of complex services from simpler application services. Research efforts in the area of Web service composition are concerned mainly with two challenges, namely automated service synthesis and verification of the composed Web services. This chapter presents a framework for Web service composition based on semantic specification through OWL-S to establish an ontological agent for automating Web service composition. The semantic description serves to define the planning domain for the agent to automate the composition procedure. A Petri nets model is applied to build a formal representation of the structure and behavior of the service. Finally, AND-OR graph methodology is used to represent the dependences among Web services to select between alternatives based on Quality of Service.
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Chapter 25
Security in Semantic Interoperation
Semantic Web services can be defined as web services whose descriptions are annotated by machine-interpretable ontologies so that other software agents can use them without having any prior ‘built-in’ knowledge about how to invoke them.
Published in Chapter: Security in Semantic Interoperation; From: Handbook of Research on Social Dimensions of Semantic Technologies and Web Services
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Chapter 544
Semantic Web and E-Tourism
Self-contained, self-describing, semantically marked-up software resources that can be published, discovered, composed and executed across the Web in a task-driven semiautomatic way.
Published in Chapter: Semantic Web and E-Tourism; From: Encyclopedia of Information Science and Technology, Second Edition
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Chapter 33
An Ontological Business Process Modeling Approach for Public Administration: The Case of Human Resource Management
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Chapter 168
Rich-Prospect Browsing Interfaces
Integrate Web services technology with machine supported data interpretation, using ontologies as a data model, to enable automatic discovery, selection, composition, and Web-based execution of services.
Published in Chapter: Rich-Prospect Browsing Interfaces; From: Encyclopedia of Multimedia Technology and Networking, Second Edition
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Chapter 46
Using Semantic Web Tools for Ontologies Construction
A Web service is a Web site that does not simply supply static information, but that allows also to execute automatically some ‘actions’ (services), like the sale of a product or the control of a physical device. To do this, Web services make use of XML-based standards like WSDL, a description protocol, and SOAP, a messaging protocol, characterized by a low level of semantic expressiveness. For example, WSDL can describe the interface of the different services, and how these services are deployed via SOAP, but it is very limited in its ability to express what the overall competences of this service are. Semantic Web Services are Web Services that can specify not only their interfaces, but also describe in full, under the form of OWL-based ontologies, their capabilities, and the prerequisites and consequences of their use. For example, OWL-S is a specification, in the form of an ontology, intended to describe different Semantic Web Services features, enabling then Web users and software agents to automatically discover, invoke, select, compose and monitor Web-based services.
Published in Chapter: Using Semantic Web Tools for Ontologies Construction; From: Handbook of Research on Innovations in Database Technologies and Applications: Current and Future Trends
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Chapter 37
The Impacts of Semantic Technologies on Industrial Systems
Semantic enrichment of current Web Services allowing automated discovery, composition and execution of services.
Published in Chapter: The Impacts of Semantic Technologies on Industrial Systems; From: Handbook of Research on Social Dimensions of Semantic Technologies and Web Services
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Chapter 545
Semantic Web in E-Government
When Web services and their related messages are semantically described (capabilities, interfaces) with appropriate ontologies, they are called semantic Web services.
Published in Chapter: Semantic Web in E-Government; From: Encyclopedia of Information Science and Technology, Second Edition
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Chapter 130
RDF and OWL for Knowledge Management
A Web service is a Web site that does not simply supply static information, but that allows also to execute automatically some ‘actions’ (services), like the sale of a product. To do this, Web services make use of XML-based standards like WSDL, a description protocol, and SOAP, a messaging protocol, characterized by a low level of semantic expressiveness. For example, WSDL can describe the interface of the different services, and how these services are deployed via SOAP, but it is very limited in its ability to express what the overall competences of this service are. Semantic Web Services are Web Services that can specify not only their interfaces, but also describe in full, under the form of OWL-based ontologies, their capabilities, and the prerequisites and consequences of their use. For example, OWL-S is a specification that enables Web users and software agents to automatically discover, invoke, select, compose and monitor Web-based services.
Published in Chapter: RDF and OWL for Knowledge Management; From: Encyclopedia of Knowledge Management, Second Edition
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Chapter 22
Semantic Monitoring of Service-Oriented Business Processes
Research in the Semantic Web services area is addressing the problems of automated service discovery, composition, execution and similar problems by augmenting the existing Web services standards by additional semantic layer(s). The additional semantic focuses on enabling “... semantically transparent services which will make it possible for clients to successfully use services that are dynamically discovered without prior negotiations between client and service developers”. Most of the proposed mechanisms rely on extending the current WS descriptions with descriptions in some logical formalism more suitable for capturing the explicit meaning of provided Web services. Such formalisms typically rely on formal ontologies and research conducted in the Semantic Web area.
Published in Chapter: Semantic Monitoring of Service-Oriented Business Processes; From: Handbook of Research on E-Business Standards and Protocols: Documents, Data and Advanced Web Technologies
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Chapter 32
Towards Supporting Interoperability in e-Invoicing Based on Semantic Web Technologies
Semantic Web Services, like conventional web services, are the server end of a client–server system for machine-to-machine interaction via the World Wide Web. Semantic services are a component of the semantic web because they use markup which makes data machine-readable.
Published in Chapter: Towards Supporting Interoperability in e-Invoicing Based on Semantic Web Technologies; From: Handbook of Research on E-Business Standards and Protocols: Documents, Data and Advanced Web Technologies
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