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Evolving Presentity-Based Context Schemas by Estimating Context Proximity
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (SensibleReality)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Information Technology and Media. (SensibleReality)
2012 (English)In: Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, Springer, 2012, 137-152 p.Conference paper, Published paper (Refereed)
Abstract [en]

The definition of what constitutes context proximity has remained largely unexplored but accepted as being a fundamental issue towards realising an architecture of connected things. Existing solutions aimed at enabling context awareness are often undermined by their dependencies on centralized architectures limited with respect to their scalability. Our previous work proposed the use of the so called Context Schema; an encapsulated representation of the information points constituting the context of a presentity. Building such a schema requires support for determining set members limited by some metric; a proximity metric. In this paper, we propose an algorithm for estimating the context proximity among presentities, enabling complete schemata of entities relevant to, and expressing the current context of a presentity. Secondly we propose an extension of a gossiping algorithm to optimize the ability create schemata as one traverses a vast and dynamic connected things infrastructure. © 2012 ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering.

Place, publisher, year, edition, pages
Springer, 2012. 137-152 p.
Keyword [en]
Context; Context Awareness; Context Proximity; Presentity; Real Time; Self-Organization
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:miun:diva-13266DOI: 10.1007/978-3-642-32304-1_13Scopus ID: 2-s2.0-84869598460Local ID: STCISBN: 978-364232303-4 (print)OAI: oai:DiVA.org:miun-13266DiVA: diva2:397995
Conference
3rd International ICST Conference on IT Revolutions, 2011;Cordoba;23 March 2011through25 March 2011;Code92419
Available from: 2011-02-16 Created: 2011-02-16 Last updated: 2016-10-19Bibliographically approved

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CiteExportLink to record
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Citation style
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