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Semantic web services: standards, applications, challenges and solutions
Nacer H., Aissani D. Journal of Network and Computer Applications44 134-151,2014.Type:Article
Date Reviewed: May 26 2015

Semantic web services, that is, network services that are based on web technologies and leverage semantic annotations to publish their capabilities, represent an approach to share knowledge coming from heterogeneous sources by providing a common knowledge format.

This paper presents a review of the state of the art in semantic web services, by focusing on four aspects: (1) Extensible Markup Language (XML)-based standards of web service technology in the service-oriented architecture (SOA) reference architecture, such as the simple object access protocol (SOAP), the web services description language (WSDL), and the universal description, discovery, and integration registry (UDDI); (2) languages and tools for semantic annotations, such as the resource description framework (RDF), the web ontology language (OWL), and the web service modeling language (WSML); (3) techniques for web services composition, such as the business process execution language for web services (BPEL4WS) and the business process modeling language (BPML); and (4) distributed middleware providing interoperability, such as distributed computing environment (DCE), Java remote method invocation (Java-RMI), distributed component object model (DCOM), and XML web services.

As an original contribution, the authors propose a performance model that describes various middleware technologies as queueing systems; by using a discrete event simulator, the performance of the models is experimentally evaluated with respect to different criteria. The authors conclude by suggesting that functional interoperability can be achieved by representing knowledge as semantic web services in SOA, that technical interoperability can be achieved with XML web services, and that semantic interoperability can be realized by ontologies. While these are clearly not new messages, the systematic presentation and the extensive literature review of the field, as provided in this work, may serve as a valuable resource for a wide audience.

Reviewer:  Wolfgang Schreiner Review #: CR143469 (1508-0720)
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