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Pervasive computing envisions environments where computers are blended into everyday objects in order to provide added-value services to people. Already today, there is a growing number of advanced embedded systems around us, extended with computing and communication capabilities. However, pervasive applications raise major challenges in term of software engineering and remain hard to develop, deploy,...
Smart Homes aim to improve the daily lives of the inhabitants by integrating a variety of context-aware applications, generally pertaining to multiple fields and provided by different actors. These applications share the same context and may have to compete for the access to resources in their surroundings. Sharing resources leads to conflicts, particularly if these applications act in contradictory...
Pervasive computing promotes environments where smart, communication-enabled devices cooperate to provide services to people. Due to their inherent complexity, many pervasive applications are built on top of service-oriented platforms, providing a set of facilities simplifying their development and execution. In this paper, we present such a platform, iCasa, extended with an autonomic, service-oriented...
Pervasive computing vision considers the growing concentration of small computers merged into everyday objects to enhance environment with added-value services. In this vision computing systems are numerous, heterogeneous, and dynamic, yet seamlessly integrated. The complexity of pervasive environments can lead to conflicts between systems, but it can also be a strength if systems manage to collaborate...
Pervasive computing envisions environments where computers are blended into everyday objects in order to provide added-value services to people. This new form of computing gives rise to huge economical and societal expectations. However, pervasive applications raise major challenges in term of software engineering and remain hard to develop, deploy, execute and maintain. Context-awareness, in particular,...
Service-oriented computing has been successfully adopted by the industry. This raises however new challenges, especially with respect to service selection and ranking in dynamic environments. Current solutions for service selection and ranking lack flexibility to handle dynamic environments. This paper proposes to integrate algorithms based on the Formal Concept Analysis theory to extend service-oriented...
In recent years, service-oriented computing has been successfully adopted by the industry and used in numerous projects. This raises however new challenges, especially with respect to service selection and ranking in dynamic environments. Selection and ranking are mostly based on first-order predicates and comparison functions, expressed in the consumer side. Such approaches suffer from several shortcomings...
Voice-based digital Assistants such as Apple's Siri and Google's Now are currently booming. Yet, despite their promise of being context-aware and adapted to a user's preferences and very distinct needs, truly personal assistants are still missing. In this paper we highlight some of the challenges in building personalized speech-operated assistive technology and propose a number of research and development...
The ability to react quickly to unpredictable changes in the environment is a key requirement in pervasive computing. This paper presents fANFARE, a framework for the autonomic management of service-oriented applications in pervasive environments. Specifically, it focuses on the configuration and optimization of pervasive applications deployed on OSGi platforms. We propose to handle runtime administration...
Pervasive applications promote a seamless integration of computer artifacts with our daily an business lives. However, they threaten privacy in two ways. Firstly, adaptation to a user's context necessitates a large collection of data. Secondly, context should be addressed when granting users access to information. This paper handles privacy management as an access control problem and argues that privacy...
Late-binding and substitutability offered by the service-oriented approach improve adaptability but increase the need for fast and efficient algorithms to select services. In this paper, we proposed to use the Formal Concept Analysis (FCA) approach as a classification tool to select services at runtime, according to user specifications. We propose to classify existing services and generate a decision...
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