Decoupling design concerns in location-aware services

Detalles Bibliográficos
Autor Principal: Fortier, Andrés
Formato: Capítulo de libro
Lengua:español
Series:^p Datos electrónicos (1 archivo : 101 KB)
Temas:
Acceso en línea:www.lifia.info.unlp.edu.ar/papers/2005/Andres2005.pdf
Consultar en el Cátalogo
Resumen:In this paper we present an original approach to design and implement applications that provide location-aware services. Our approach emphasizes a clear separation of the relevant concerns in the application (base behavior, contextsensitive properties, services, etc.) to improve modularity and thus simplify evolution. We first motivate the problem with a simple scenario of a virtual campus; we next discuss which are the most important concerns in the application, we explain why we must separate them and show a simple approach to achieve this separation. We analyze the most important (sub) models in which we decompose a location-aware application and explain the use of dependency mechanisms to trigger behaviors related with the provision of services according to the user position. We briefly describe a proof of concept by means of an archetypical implementation we developed following our ideas. We next compare our work with others and discuss some further work we are pursuing. Keywords: Location-aware services, location sensing, concern decoupling, modularity.
Notas:Formato de archivo: PDF. -- Este documento es producción intelectual de la Facultad de Informática-UNLP (Colección BIPA / Biblioteca.) -- Disponible también en línea (Cons. 25 nov. 2008)

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650 4 |a SERVICIOS BASADOS EN LOCALIZACIÓN 
650 4 |a APLICACIONES SENSIBLES AL CONTEXTO 
650 4 |a ARQUITECTURAS DE DOMINIO ESPECÍFICO 
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