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Semantic Service Substitution in Pervasive Environments

Noha Ibrahim 1 Frédéric Le Mouël 2 Stéphane Frénot 3 
2 DYNAMID - Dynamic Software and Distributed Systems
CITI - CITI Centre of Innovation in Telecommunications and Integration of services
3 DICE - Data on the Internet at the Core of the Economy
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
Abstract : A computing infrastructure where everything is a service offers many new system and application possibilities. Among the main challenges, however, is the issue of service substitution for the application execution in such heterogeneous environments. An application would like to continue to execute even when a service disappears, or it would like to benefit from the environment by using better services with better QoS when possible. In this article, we define a generic service model and describe the equivalence relations between services considering the functionalities they propose and their non functional QoS properties. We define semantic equivalence relations between services and equivalence degree between non functional QoS properties. Using these relations we propose semantic substitution mechanisms upon the appearance and disappearance of services that fits the application needs. We developed a prototype as a proof of concept and evaluated its efficiency over a real use case.
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Noha Ibrahim, Frédéric Le Mouël, Stéphane Frénot. Semantic Service Substitution in Pervasive Environments. International Journal of Services, Economics and Management, Inderscience publishers, 2014, 6 (4), pp.283-309. ⟨10.1504/IJSEM.2014.068244⟩. ⟨inria-00438223⟩



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