Live E! Sensor Network: Correlations in Time and Space

Elyes Ben Hamida; Pierre Borgnat; Hiroshi Esaki; Patrice Abry; Eric Fleury

inria-00398800, version 1

Live E! Sensor Network: Correlations in Time and Space

Elyes Ben Hamida ¹, Pierre Borgnat () ², Hiroshi Esaki^a, Patrice Abry () ², Eric Fleury () ³

XXIIe Colloque GRETSI - Traitement du Signal et des Images (2009)

Abstract: The Live E! project is a Japanese research consortium among industry and academia to develop a platform collecting and sharing digital information related with the earth. This platform consists of a large number of spatially distributed weather stations measuring different environmental quantities such as temperature, humidity, pressure, etc. In this paper, we conduct the first analysis on this huge data set. To that end, we perform a synchronous-average based decomposition of the collected time series, and we explore the structures of correlations both in time and space on the observed data.

a – University of Tokyo
1: Centre d'Innovation en Télécommunications et Intégration de services (EA 3720)
INRIA – Institut National des Sciences Appliquées (INSA) - Lyon
2: Laboratoire de Physique de l'ENS Lyon (Phys-ENS)
CNRS : UMR5672 – École Normale Supérieure - Lyon
3: DNET (ENS / LIP Laboratoire de l'Informatique du Parallélisme / INRIA Grenoble Rhône-Alpes)
École Normale Supérieure - Lyon – INRIA – Laboratoire d'informatique du Parallélisme

inria-00398800, version 1
http://hal.inria.fr/inria-00398800
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From: Eric Fleury <>
Submitted on: Wednesday, 24 June 2009 20:27:52
Updated on: Wednesday, 24 June 2009 20:27:52

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