Quality-of-Context and its use for Protecting Privacy in Context Aware Systems

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Sheikh, Kamran and Wegdam, Maarten and Sinderen van, Marten (2008) Quality-of-Context and its use for Protecting Privacy in Context Aware Systems. Journal of software, 3 (3). pp. 83-93. ISSN 1796-217X

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Abstract:Context-awareness refers to systems that unobtrusively adapt to the environment of their users on the basis of context information, popularly known as context-aware systems. One inherent property of context information is that it possesses a certain quality, such as the certainty with which it has
been determined and so on. Different aspects of this quality are represented by a set of indicators collectively known as Quality of Context (QoC). QoC also represents privacy sensitiveness of context information, i.e. context information of higher quality is considered more privacy sensitive. An
important step towards making QoC indicators usable is to quantify them in tangible units. In this paper we provide motivation for using QoC indicators as meta-information for context management and use QoC as part of a user privacy enforcement framework. We propose five QoC indicators and present different alternatives available for expressing them quantitatively.
Item Type:Article
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/62252
Official URL:http://www.academypublisher.com/jsw/vol03/no03/jsw03038393.html
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