Organizing Multimedia Objects by Using Class Algebra

2005 ◽  
pp. 2243-2247
Author(s):  
Daniel J. Buehrer
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Relational Databases ◽  
Service Oriented Architectures ◽  
Web Based ◽  
Xml Documents ◽  
Object Relational ◽  
Service Oriented ◽  
Persistent Data ◽  
Hypertext Markup Language

Web-based applications (Web services and service-oriented architectures) can be run via a Web-based browser. There are several approaches to writing such Web-based applications. A lightweight approach is suitable for hand-held devices. In this approach, a Java servlet or a JSP page (Java 2 Platform, JSP), or an ASP application (Microsoft .NET, ASP) generates HTML (Hypertext Markup Language), XHTML, or XML documents (W3C Semantic Web Activity, XHTML, XML) to be displayed by the browser. Most browsers use an anchored URLs extension (e.g., .doc, .jpg, .xml, etc.) to choose an appropriate plug-in to display the URL when it is clicked. Besides displaying text and multimedia, Web servers and/or browsers can also execute Java applets or scripting languages to read and/or change persistent data. Previously, about 98% of these data were stored in relational or object-relational databases. However, recently more of these data are being stored in XML-based documents. Often these documents have an associated “schema” declaring the nesting of tags and the types of primitive values, or an “ontology” (Everett et al., 2002, Hunter, 2003) declaring classes, attributes, and relations that are used in the document.

scholarly journals The Semantic Side of Service-Oriented Architectures

2010 ◽  
pp. 644-659
Author(s):  
Catarina Ferreira da Silva ◽  
Paulo Rupino da Cunha ◽  
Parisa Ghodous ◽  
Paulo Melo
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Enterprise Application Integration ◽  
Semantic Web Services ◽  
Semantic Matching ◽  
Application Integration ◽  
Service Oriented Architectures ◽  
Enterprise Application ◽  
Consumer Services ◽  
Service Oriented

In Service-Oriented Architectures (SOA), service descriptions are fundamental elements. In order to automatically execute SOA tasks, such as services discovery, it is necessary to capture and process the semantics of services. We review several Semantic Web Services frameworks that intend to bring semantics to Web Services. This chapter depicts some ideas from SOA and Semantic Web services and their application to enterprise application integration. We illustrate an example of logic-based semantic matching between consumer services and provided services, which are described in ontologies.

A Similarity Measure Across Ontologies for Web Services Discovery

2018 ◽  
pp. 1097-1120
Author(s):  
Aissa Fellah ◽  
Mimoun Malki ◽  
Atilla Elci
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Semantic Similarity ◽  
Similarity Measure ◽  
Semantic Web Services ◽  
Service Oriented Architectures ◽  
Semantic Similarity Measure ◽  
Generic Framework ◽  
Service Oriented ◽  
Novel Algorithm

Given the critical and difficult nature of discovering Web services in the development process of service oriented architectures, several studies have been proposed to solve this problem. There is a real need to work for matching semantic Web services which use different ontologies. In responding to this need, measuring semantic similarity between SWS may be reduced to the calculation of similarity between ontological concepts. This work is a contribution to achieve semantic interoperability for Web services in a multi-ontology environment, for which the authors present a generic framework for Web services discovery. Here their focus is on the semantic similarity measure-based core of their framework and the authors present a novel algorithm for concepts matching between different ontologies. Results of the experiments confirm the viability of the semantic similarity measure.

scholarly journals The Semantic Side of Service-Oriented Architectures

2010 ◽  
pp. 90-104 ◽  
Author(s):  
Catarina Ferreira da Silva ◽  
Paulo Rupino da Cunha ◽  
Parisa Ghodous ◽  
Paulo Melo
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Enterprise Application Integration ◽  
Semantic Web Services ◽  
Semantic Matching ◽  
Application Integration ◽  
Service Oriented Architectures ◽  
Enterprise Application ◽  
Consumer Services ◽  
Service Oriented

In Service-Oriented Architectures (SOA), service descriptions are fundamental elements. In order to automatically execute SOA tasks, such as services discovery, it is necessary to capture and process the semantics of services. We review several Semantic Web Services frameworks that intend to bring semantics to Web Services. This chapter depicts some ideas from SOA and Semantic Web services and their application to enterprise application integration. We illustrate an example of logic-based semantic matching between consumer services and provided services, which are described in ontologies.

Open Security Framework for Unleashing Semantic Web Services

2010 ◽  
pp. 264-285
Author(s):  
Ty Mey Eap ◽  
Marek Hatala ◽  
Dragan Gaševic ◽  
Nima Kaviani ◽  
Ratko Spasojevic
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Personal Identity ◽  
Identity Management ◽  
Internet Security ◽  
Semantic Web Services ◽  
Security Framework ◽  
Service Oriented Architectures ◽  
Service Oriented ◽  
Web Research

The lack of intrinsic and user control in the identity management of today Internet security hampers the research in the area of Semantic Web and service-oriented architectures. Semantic Web research is seeking to develop expert Web services that are a composition of specialized Web services of multiorganizations. To unleash these emergent Web services, we propose an open security framework that is based on the concept of personal identity management. Despite the resistance from today’s Internet security dominated by domain-centric identity management, we believe that when all the alternatives are exhausted, the industry will come to the conclusion that the concept of personal identity management is the only approach to provide true user-centric identity management and give users control over the management of their identities.

A Similarity Measure Across Ontologies for Web Services Discovery

Web Services ◽  
2019 ◽  
pp. 859-881 ◽  
Author(s):  
Aissa Fellah ◽  
Mimoun Malki ◽  
Atilla Elci
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Semantic Similarity ◽  
Similarity Measure ◽  
Semantic Web Services ◽  
Service Oriented Architectures ◽  
Semantic Similarity Measure ◽  
Generic Framework ◽  
Service Oriented ◽  
Novel Algorithm

Given the critical and difficult nature of discovering Web services in the development process of service oriented architectures, several studies have been proposed to solve this problem. There is a real need to work for matching semantic Web services which use different ontologies. In responding to this need, measuring semantic similarity between SWS may be reduced to the calculation of similarity between ontological concepts. This work is a contribution to achieve semantic interoperability for Web services in a multi-ontology environment, for which the authors present a generic framework for Web services discovery. Here their focus is on the semantic similarity measure-based core of their framework and the authors present a novel algorithm for concepts matching between different ontologies. Results of the experiments confirm the viability of the semantic similarity measure.

Semantic Web Services and BPEL

2007 ◽  
pp. 127-153 ◽  
Author(s):  
Marc Rabaey ◽  
Herman Tromp ◽  
Koenraad Vandenborre ◽  
Eddy Vandijck ◽  
Martin Timmerman
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Business Processes ◽  
Enterprise Application Integration ◽  
Semantic Web Services ◽  
Service Oriented Architectures ◽  
Enterprise Application ◽  
Service Oriented ◽  
Business Process Execution ◽  
Semantic Service

An emerging technology like business process execution language (BPEL) and its implementation in BPEL for Web services (BPEL4WS) gives extra possibilities in describing business processes. It further adheres, as a technology, in a consistent way to the underlying Web service-based implementation technology and is a perfect fit for service-oriented architectures (SOA) as they are currently implemented throughout organizations as a successor to enterprise application integration (EAI). However, BPEL4WS, in its current implementation, will only serve in a static way for production workflows. In this chapter we discuss how Semantic Web services through a semantic service-oriented architecture (SSOA) can be used to extend BPEL4WS to create ad hoc and collaborative workflows.

On Modelling Non-Functional Properties of Semantic Web Services

2012 ◽  
pp. 61-85
Author(s):  
Ioan Toma ◽  
Flavio De Paoli ◽  
Dieter Fensel
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Functional Properties ◽  
Building Blocks ◽  
Distributed Applications ◽  
Semantic Web Services ◽  
Service Oriented Architectures ◽  
Language Support ◽  
Research Problems ◽  
Service Oriented

Service-Oriented Architectures (SOAs) are a widespread solution for realizing distributed applications. Empowered by semantic technologies these architectures will evolve in what is known as Semantically Enabled Service Oriented Architectures (SESAs) providing automatic support for various service related tasks such as discovery, ranking, composition, etc. Services are the core building blocks of both SOA- and SESA- based systems and therefore modelling various aspects of services becomes a fundamental challenge to any enterprise building SOA solutions. Among these aspects, non-functional properties of a service need to be addressed given the high dynamism of any SOA-based system. Non-functional properties descriptions are highly relevant for many of the service related tasks such as discovery, ranking, selection, and negotiation. This chapter investigates several research problems which arise in the area of Semantic Web services, namely how to describe non-functional properties of services, what models are required, and what is the proper language support for describing Non-functional Properties. Our solution was developed, and is part of the Web Service Modelling Ontology, one of the major initiatives in Semantic Web services area. We present a comprehensive set of ontological models for non-functional properties, our approach to attach non-functional properties descriptions to services, and the language support needed to formalize non-functional properties descriptions.

A Two Phases Self-healing Framework for Service-oriented Systems

2021 ◽  
Vol 15 (2) ◽  
pp. 1-25
Author(s):  
Amal Alhosban ◽  
Zaki Malik ◽  
Khayyam Hashmi ◽  
Brahim Medjahed ◽  
Hassan Al-Ababneh
Keyword(s):  
Web Services ◽  
A Priori ◽  
Fault Management ◽  
Service Selection ◽  
Exception Handling ◽  
Self Healing ◽  
Service Oriented Architectures ◽  
Service Oriented ◽  
Improved Performance ◽  
High Level

Service-Oriented Architectures (SOA) enable the automatic creation of business applications from independently developed and deployed Web services. As Web services are inherently a priori unknown, how to deliver reliable Web services compositions is a significant and challenging problem. Services involved in an SOA often do not operate under a single processing environment and need to communicate using different protocols over a network. Under such conditions, designing a fault management system that is both efficient and extensible is a challenging task. In this article, we propose SFSS, a self-healing framework for SOA fault management. SFSS is predicting, identifying, and solving faults in SOAs. In SFSS, we identified a set of high-level exception handling strategies based on the QoS performances of different component services and the preferences articled by the service consumers. Multiple recovery plans are generated and evaluated according to the performance of the selected component services, and then we execute the best recovery plan. We assess the overall user dependence (i.e., the service is independent of other services) using the generated plan and the available invocation information of the component services. Due to the experiment results, the given technique enhances the service selection quality by choosing the services that have the highest score and betters the overall system performance. The experiment results indicate the applicability of SFSS and show improved performance in comparison to similar approaches.

PROCESS MODEL ONTOLOGY-BASED MATCHMAKING OF SEMANTIC WEB SERVICES

2011 ◽  
Vol 20 (04) ◽  
pp. 357-370 ◽  
Author(s):  
D. PAULRAJ ◽  
S. SWAMYNATHAN ◽  
M. MADHAIYAN
Keyword(s):  
Web Services ◽  
Semantic Web ◽  
Web Service ◽  
Process Model ◽  
Service Discovery ◽  
Service Oriented Architecture ◽  
Semantic Web Services ◽  
Functional Part ◽  
Service Oriented ◽  
Concise Description

One of the key challenges of the Service Oriented Architecture is the discovery of relevant services for a given task. In Semantic Web Services, service discovery is generally achieved by using the service profile ontology of OWL-S. Profile of a service is a derived, concise description and not a functional part of the semantic web service. There is no schema present in the service profile to describe the input, output (IO), and the IOs in the service profile are not always annotated with ontology concepts, whereas the process model has such a schema to describe the IOs which are always annotated with ontology concepts. In this paper, we propose a complementary sophisticated matchmaking approach which uses the concrete process model ontology of OWL-S instead of the concise service profile ontology. Empirical analysis shows that high precision and recall can be achieved by using the process model-based service discovery.

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