Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/32675
Title: Middleware support for context-awareness in asynchronous pervasive computing environments
Authors: Yu, J
Huang, Y
Cao, J 
Tao, X
Issue Date: 2010
Source: Proceedings - IEEE/IFIP International Conference on Embedded and Ubiquitous Computing, EUC 2010, 2010, 5703509, p. 136-143
Abstract: Context-awareness is an essential feature of pervasive applications, and runtime detection of contextual properties is one of the primary approaches to enabling context-awareness. However, existing context-aware middleware does not provide sufficient support for detection of contextual properties in asynchronous environments. We argue that in asynchronous environments, the concept of time needs to be reexamined. Instead of assuming the availability of global time or synchronous interaction, we should rely on logical time. To this end, we present the Middleware Infrastructure for Predicate detection in Asynchronous environments (MIPA), which supports context-awareness based on logical time. Design and operation of MIPA are explained in detail. We also evaluate MIPA with a comprehensive case study. The evaluation results show the cost-effectiveness and scalability of MIPA.
ISBN: 9780769543222
DOI: 10.1109/EUC.2010.29
Description: IEEE/IFIP 8th International Conference on Embedded and Ubiquitous Computing, EUC 2010, Hong Kong, 11-13 December 2010
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