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New software architectures based on multi-agents or software components allow the integration of separately developed software pieces that interact through various communication schemes. In such a context, reliability raises new important issues. This paper aims at increasing reliability in multi-agent systems (MASs) and, therefore, focuses on the study of(More)
Asynchronous Active Objects (AAOs), primarily exemplied by actors [1], nowadays exist in many forms (various kinds of actors, agents and components) and are more and more used because they t well the dynamic and asynchronous nature of interactions in many distributed systems. They raise various new issues regarding exception handling for which few(More)
In SOA, composite applications can be developed on the basis of collections of interacting web services. A service's functionality is exposed to the external world by an abstract interface, described by the standard WSDL language, which must be published by service providers to public registries where service consumers can find them. Nowadays, web service(More)
Migrating software product variants which are deemed similar into a product line is a challenging task with main impact in software reengineering. To exploit existing software variants to build a software product line (SPL), the first step is to mine the feature model of this SPL which involves extracting common and optional features. Thus, we propose, in(More)
The increased popularity of web services is accompanied with an increase in both provider and service number. This fairly large service number causes a deficiency in the selection of the most pertinent service, and makes it an effort-ful and time-consuming task. We propose the WSPAB (Web Service Personal Address Book) tool that aims at defining a complete(More)
Architecture-centric, component-based development intensively reuses components from repositories. Such development processes produce architecture definitions, using architecture description languages (Adls). This paper proposes a three step process. Architecture specifications first capture abstract and ideal architectures imagined by architects to meet(More)
A Web service is a software functionality accessible through the network. Web services are intended to be composed into coarser-grained applications. Achieving a required composite functionality requires the discovery of a collection of Web services out of the enormous service space. Each service must be examined to verify its provided functionality, making(More)