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Temporal Predicate Detection Using Synchronized Clocks

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1 Author(s)
Kshemkalyani, A.D. ; Univ. of Illinois at Chicago, Chicago

Advances in clock synchronization techniques allow an approximated global time in ubiquitous environments. This paper presents an event stream- based online algorithm that fuses the data reported from the processors in such a network to detect time-based predicates. The algorithm has low space, time, and message complexities. The paper also considers the detection of simultaneous events as a special case.

Published in:

Computers, IEEE Transactions on  (Volume:56 ,  Issue: 11 )