Service-oriented Context-aware Framework
L\'aszl\'o Kov\'acs, P\'eter M\'at\'etelki, Bal\'azs Pataki

TL;DR
This paper presents a service-oriented, ontology-based framework that integrates multiple context types, including location, user preferences, and environment models, to facilitate the development of context-aware applications.
Contribution
It introduces a novel semantic backend with inference capabilities and a compatibility layer for diverse positioning devices, enhancing adaptability and ease of use.
Findings
Framework supports multiple context types and inference tasks
Enables integration of various positioning technologies
Facilitates development of user-centric context-aware applications
Abstract
Location- and context-aware services are emerging technologies in mobile and desktop environments, however, most of them are difficult to use and do not seem to be beneficial enough. Our research focuses on designing and creating a service-oriented framework that helps location- and context-aware, client-service type application development and use. Location information is combined with other contexts such as the users' history, preferences and disabilities. The framework also handles the spatial model of the environment (e.g. map of a room or a building) as a context. The framework is built on a semantic backend where the ontologies are represented using the OWL description language. The use of ontologies enables the framework to run inference tasks and to easily adapt to new context types. The framework contains a compatibility layer for positioning devices, which hides the technical…
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