Multiple Concern Adaptation for Run-time Composition in Context-Aware Systems | Zendy

Javier Cámara | Zendy; Carlos Canal | Zendy; Gwen Salaün | Zendy

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Multiple Concern Adaptation for Run-time Composition in Context-Aware Systems

Author(s) -

Javier Cámara,

Carlos Canal,

Gwen Salaün

Publication year - 2008

Publication title -

electronic notes in theoretical computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.242

H-Index - 60

ISSN - 1571-0661

DOI - 10.1016/j.entcs.2008.06.024

Subject(s) - computer science , component (thermodynamics) , adaptation (eye) , context (archaeology) , interoperability , exploit , distributed computing , composition (language) , process (computing) , component based software engineering , ubiquitous computing , software system , real time computing , software , human–computer interaction , computer security , operating system , paleontology , linguistics , philosophy , physics , optics , biology , thermodynamics

Context-Aware computing studies the development of systems which exploit context information (e.g., user location, network resources, time, etc.), which is specially relevant in mobile systems and pervasive computing. When these systems are built assembling pre-existing software components (COTS), the composition process must be able to solve potential interoperability problems, adapting component interfaces. In addition, the composition must be adapted to the execution conditions of such systems, which are likely to change at run-time, affecting component behaviour. This work presents an approach to the flexible composition of possibly mismatching behavioural interfaces in systems where context information can vary at run-time. Our approach enables composition at run-time, enabling dynamic changes in composition according to context changes. Furthermore, our approach simplifies the specification of composition/adaptation by keeping Separation of Concerns, and is able to handle context-triggered adaptation policies

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