Supporting Context-Aware Applications: Scenarios, Models and Architecture

Ricardo Couto Antunes da RochaMarkus Endler

Context-aware computing is widely accepted as a promising paradigm to enable seamless computing. Several efforts have been made in order to support context-aware applications through the development of software infrastructures, middlewares and models for describing context information. However, developing such applications is still a complex task because of the lack of adequate software abstractions, programming models, methodologies and efficient middleware. This paper presents an approach for context-aware software development based on a flexible context model and an infrastructure for evolutionary management of context information. We present a context model that provides high-level abstractions to manage and handle context information. In order to demonstrate the capability of the proposed approach, we present a case study of a location-aware instant messaging application.

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