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Context grouping mechanism for context distribution in ubiquitous environments
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2008 (English)In: OTM 2008 Confederated International Conferences CoopIS, DOA, GADA, IS, and ODBASE 2008, 2008, no PART 1, 571-588 p.Conference paper (Refereed)
Abstract [en]

Context distribution is a key aspect for successful applications within mobile and ubiquitous computing environments. In such environments, context information is acquired by several and multiple context sensors distributed over the environment. Applications collect and react to these data, according to predefined adaptation mechanisms. The success of these mechanisms depends on the availability of context information, which is disseminated over the network. However, in practice, only a fraction of the observable context information is required by the adaptation mechanisms. Moreover, for privacy reasons, it is important to delimitate a scope for context dissemination. In this work we address these issues by proposing a context grouping mechanism which allows the definition of groups based on the context characteristics. Each group is defined by these characteristics and delimitate a given context information set that can be distributed among group members. This approach of context grouping acts as a two-fold mechanism. On the one hand, it controls and organizes context distribution over a peer-to-peer network. On the other hand, it proposes a primary and low-level privacy mechanism for context distribution, which is an important aspect influencing context distribution.

Place, publisher, year, edition, pages
2008. no PART 1, 571-588 p.
, Lecture Notes in Computer Science, ISSN 0302-9743 ; 5331
Keyword [en]
Context awareness, Context distribution, Context grouping, JXTA, Peer-to-peer systems, Computer systems, Direction of arrival, Distributed computer systems, Radio direction finding systems, Ubiquitous computing, Wireless networks, Client server computer systems
National Category
Computer Science
URN: urn:nbn:se:kth:diva-154142DOI: 10.1007/978-3-540-88871-0_41ISI: 000261798700036ScopusID: 2-s2.0-58049090039ISBN: 3540888705ISBN: 9783540888703OAI: diva2:756486
On the Move Confederated International Conference and Workshops Monterrey, MEXICO, 2008

QC 20141017

Available from: 2014-10-17 Created: 2014-10-14 Last updated: 2014-10-17Bibliographically approved

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Devlic, AlisaPanagiotou, Georgios
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Communication Systems, CoS (closed 2012-01-01)
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