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This paper introduces a methodology to design a Context-aware Adaptive System based on a layered software architecture. The model of the context awareness multi-modal traffic management takes into account the context parameters in order to adapt dynamically the decisions (choice of the best transportation route). The efficiency of the proposed technique is validated through a case study including...
Ambient Intelligence environments are populated with embedded distributed devices interacting in proactively and in transparent manner to achieve user's needs. Context and context awareness is crucial for any AmI based systems. To develop context-aware Ambient Intelligence systems, suitable context models, and reasoning approaches are necessary to provide users with smart services. This paper advocates...
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...
Adaptivity for service-based systems is one of the most challenging research problems to fully exploit the dinamicity promised by the service paradigm. In this paper we present the research results achieved by the FBK SOA unit within the S-Cube Network, aiming at addressing key challenges in this area: context-aware adaptation, user-centric adaptation, cross- and multi-layer adaptation.
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...
The context-aware computing environment is changing due to recent development of the new computing devices and new concept of services. The systems are developing rapidly, but most of them focus on recognition of the collected information, not on the intelligent capability. In this paper, we defined a new context aware computing environment based on the concept of social intelligence, which implies...
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,...
Two important aspects are associated with service composition. One is to understand the needs and constraints for a new added-value composite service, and otherwise it would lead to an ad-hoc effort for service composition. The second is to reflect the changes of computing environment to the service composition to catch up the on-demand of users. This paper introduces a goal-driven approach to specify...
Situation-awareness has emerging as a promising way to build intelligent and dynamic systems in nowadays dynamic computing environments. Several approaches based on the concept of situation were introduced as application developing methodologies, but there are only weak notions to define situation and, hence, advantages coming from situation-driven approaches are not fledged through computing engineering...
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