Continuous probabilistic sum queries in wireless sensor networks with ranges

Authors:
Nina Hubig;Andreas Züfle;Tobias Emrich;Mario A. Nascimento;Matthias Renz;Hans-Peter Kriegel
Affiliations:
Ludwig Maximilians Universität, München, Germany;Ludwig Maximilians Universität, München, Germany;Ludwig Maximilians Universität, München, Germany;University of Alberta, Edmonton, Canada;Ludwig Maximilians Universität, München, Germany;Ludwig Maximilians Universität, München, Germany
Venue:
SSDBM'12 Proceedings of the 24th international conference on Scientific and Statistical Database Management
Year:
2012

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Abstract

Data measured in wireless sensor networks are inherently imprecise. Aggregate queries are often used to analyze the collected data in order to alleviate the impact of such imprecision. In this paper we will deal with the imprecision in the measured values explicitly by employing a probabilistic approach and we focus on one particular type of aggregate query, namely the SUM query.