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With the appearance of virtualization, the spread of internet, the development of broadband networks, and also the advent of externalization and application rental; cloud computing (CC) has emerged as being the next generation of distributed computing paradigm. Based on “pay-for-what-you-use” model, CC offers significant benefits including costs reduction, on demand provisioning, rapid elasticity,...
The current service discovery mechanisms are syntactic methods that often offer poor quality results. By researching this area we are able to identify issues that limit the quality of the result with these traditional service mechanisms. To overcome this issue we use ontologies to enable semantic matchmaking. By reasoning on concepts and relations, our approach can derive matches that syntactically...
The Cloud Computing paradigm has enabled the multi-tenancy architectural approach in Cloud applications. In a multi-tenant application, one single instance is shared by many tenants (users). Since each client has its own and particular requirements and context, that are exposed to change in time, the process of realizing customizable and adaptable services becomes complex and difficult to handle....
Advances in wireless communications and mobility have increased the use of smart mobile applications. As a result of the remarkable increase of mobile devices and the pervasive wireless networks, a large number of mobile users are requiring personalization services customized to their context. The mobile cloud-computing paradigm from a context-aware perspective aims to find effective ways to make...
For some years now, the concept of Cloud Computing (CC) is presented as the new revolution of information technology. It presents not only a technical innovation for better IT system flexibility, improvement of working methods and cost control, but also a new economic model, built around the concept of IT Services that are identifiable, classifiable and countable for end users, who can benefit by...
An important challenge in pervasive computing environments is to automatically enable software applications by dynamically composing services. Service composition is a way to plan a business process to fulfill business goals that cannot be achieved by individual business services. Given a representation of services in OWL-S, service composition can be modeled as an Artificial Intelligence planning...
With pervasive computing, Service oriented architectures become more mobile and distributed and are executed in varying contexts. Context is understood as any information about the user needs and operating environment which vary dynamically and have an impact on design choices. Context aware Services oriented systems have emerged as an underlying design and development paradigm. An important challenge...
In ubiquitous computing, context-aware service oriented systems refer to applications that use so-called contextual information to provide appropriate services or relevant information to the user or other applications to perform a specific task. An important challenge in such applications is context modeling, using ontologies to model context information and to reason about context at a semantic level...
With the fast development of e-services and the necessity to use information provided by users and their operating environments, Context-Aware Service (CAS) has emerged as a new paradigm of software engineering to dynamically respond to every change in the status of the user's context. Context-aware Service can dynamically capture a range of information from its environment and this information represents...
The rapid evolution of software paradigms, wireless technologies and mobile devices induced the emergence of new applications called context-aware services oriented applications. Such applications provide appropriate services or relevant information to the user or other applications to perform a specific task. An important challenge in such applications development process is context modeling and...
With the emergence of service-oriented architecture (SOA), the provision of business-to-business as well as user-centric services becomes increasingly simple and fluent. Also, the design, development and deployment of services - either elementary or composite - have constantly gained ground. However, the user's context must constitute an essential aspect of such services in order to improve the end-user...
Today, Service Oriented Architectures (SOA) are being widely deployed to improve systems development and interoperability. In addition, the increasing use of mobile devices and infrastructure has enabled users to access services from any location and any time. The convergence of mobile technologies and service paradigm has promoted the birth of a new design and development paradigm known as Context-Aware...
Nowadays, context-awareness constitutes an essential aspect for service oriented applications development. Indeed, applications are supposed to react to context changes in order to provide end-users with pertinent services. To deal with such requirement, Context-Aware Service (CAS) has emerged as an underlying software engineering paradigm for context-aware applications development. In this paper,...
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