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Vol. 189, Issue 6, June 2015, pp. 71-81

 

Bullet

 

Comparative Study of Temporal Aspects of Data Collection Using Remote Database
vs. Abstract Database in WSN
 

Abderrahmen BELFKIH, Bruno SADEG, Claude DUVALLET, Laurent AMANTON

University of Le Havre, BP 1123, 76063 Le Havre cedex, France
Tel.: (+33) 2 32 74 43 53, fax: (+33) 2 32 74 43 14

E-mail: Abderrahmen.Belfkih@univ-lehavre.fr, Bruno.Sadeg@univ-lehavre.fr, Claude.Duvallet@univ-lehavre.fr, Laurent.Amanton@univ-lehavre.fr

 

Received: 4 June 2015 /Accepted: 29 June 2015 /Published: 30 June 2015

Digital Sensors and Sensor Sysstems

 

Abstract: The real-time aspect is an important factor for Wireless Sensor Network (WSN) applications, which demand a timely data delivery, to reflect the current state of the environment. However, most existing works in the field of sensor networks are only interested in data processing and energy consumption, to improve the lifetime of WSN. Extensive researches have been done on data processing in WSN. Some works have been interested in improving data collection methods, and others have focused on various query processing techniques. In recent years, the query processing using abstract database technology like Cougar and TinyDB has shown efficient results in many researches. This paper presents a study of timing properties through two data processing techniques for WSN. The first is based on a warehousing approach, in which data are collected and stored on a remote database. The second is based on query processing using an abstract database like TinyDB. This study has allowed us to identify some factors which enhance the respect of temporal constraints.

 

Keywords: Wireless sensor network, Data collection, Query processing, Sensors database, Time constraints.

 

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