QoC Management: A Context Conflict Resolution-Driven Approach

• Lucas M. S. Xavier UFPel
• Adenauer C. Yamin UFPel
• Ana M. Pernas UFPel
• Gerson G. H. Cavalheiro UFPel

DOI: https://doi.org/10.5753/sbcup.2017.3302

Abstract

In context-aware systems, imprecise, ambiguous and erroneous information frequently arises from the many imperfections that naturally occur in the context acquisition and distribution processes. The negative impacts of such imperfections may be diminished through adequate modelling and management of Quality of Context (QoC) indicators, which are assessed from specific context metadata. This paper proposes a QoC management framework which deals with QoC metadata in an IoT middleware and uses the resulting indicators to reduce the quantity of conflicts caused by contradictory context information. A case study is presented in which the framework was used to provide QoC awareness to an ubiquitous application managed by the EXEHDA middleware.

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