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The Computer Journal Advance Access published online on March 4, 2008
The Computer Journal, doi:10.1093/comjnl/bxm104
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© The Author 2007. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Smart-Context: A Context Ontology for Pervasive Mobile Computing

Philip Moore*, Bin Hu and Jizheng Wan

Department of Computing, Birmingham City University, Birmingham B42 2SU, UK

* Corresponding author: philip.moore{at}bcs.org

Received 21 February 2007; revised 6 July 2007

This paper addresses context in intelligent context-aware systems to support personalised service provision and cooperative computing. Context processing, context modelling, ontology, and OWL are introduced and a context reasoning ontology presented. Context implementation reduces to a decision problem which is characterised as one of selecting from a number of potential options based on the relationship between the values that describe the input and the solution, the modelling school of decision analysis attempts to construct an explicit model of such relationships, usually in the form of decision trees. An overview of decision trees with parametric design considerations is presented. Comparisons with related research are drawn and an evaluation and simulation of Smart-Context is presented. RDF/S with OWL and Jena provide an effective basis for autonomous decision making using processing rules, and the issue is one of implementation in adaptable and tractable solutions. A conclusion with open research questions is presented with consideration of potential directions for future research.

Key Words: context • context-awareness • pervasive computing


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