Context Evidence and Location Authority: the disciplined management of sensor data into context models

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Title Context Evidence and Location Authority: the disciplined management of sensor data into context models
Author Johnson, C.W.; Carmichael, David; Kay, Judy; Kummerfeld, Bob; Hexel, Rene
Publication Title First International Workshop on Advanced Context Modelling, Reasoning and Management, UbiComp 2004
Editor Jadwiga Indulska, David De Roure
Year Published 2004
Place of publication Nottingham, England
Publisher UbiComp (published online)
Abstract Ubiquitous computing requires that data be handled across a very wide range of data rates and weights of associated meaning. A suitable system architecture is layered from event data through simple sensors, smart sensors, and smart environment agents. Upward through these layers the issues for representation and management of the data shift from the distribution and fast, bulk storage of very frequent simple data, to relatively infrequent logical deductions made against relatively complex models. The lower layers of systems for event data will be reused in different applications. In addition, abstract models of location may have a lot in common between different applications, which a common Location Authority can represent as a common model of the physical environment that changes only slowly (through manual administrative maintenance). On the other hand models of the devices and sensors within locations, and the moving population of people, are far more dynamic, require automatic updating, and different applications choose quite different attributes and relationships to model. We describe how the Merino/Personis architecture for an Intelligent Environment context supports the changes of representation of knowledge across this range and the different programming styles suited to the different levels.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.ubicomp.org/ubicomp2004/index.html
Copyright Statement Copyright remains with the author's 2004. For information about this conference please refer to the publisher's website or contact the author's. The attached file is posted here with permission of the copyright owners for your personal use only. No further distribution permitted.
ISBN N/A
Conference name First International Workshop on Advanced Context Modelling, Reasoning and Management, UbiComp 2004
Location Nottingham, England
Date From 2004-09-07
Date To 2004-09-07
URI http://hdl.handle.net/10072/2189
Date Accessioned 2005-01-19
Language en_AU
Research Centre Institute for Integrated and Intelligent Systems
Faculty Faculty of Engineering and Information Technology
Subject Other Information, Computing and Communication Sciences
Publication Type Conference Publications (Full Written Paper - Refereed)
Publication Type Code e1

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