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Summary: A Middleware for Fast and Flexible Sensor Network
Deployment
Karl Aberer, Manfred Hauswirth, Ali Salehi
Ecole Polytechnique F´ed´erale de Lausanne (EPFL)
CH-1015 Lausanne, Switzerland
[karl.aberer, manfred.hauswirth, ali.salehi]@epfl.ch
ABSTRACT
A key problem in current sensor network technology is the het-
erogeneity of the available software and hardware platforms which
makes deployment and application development a tedious and time
consuming task. To minimize the unnecessary and repetitive im-
plementation of identical functionalities for different platforms, we
present our Global Sensor Networks (GSN) middleware which sup-
ports the flexible integration and discovery of sensor networks and
sensor data, enables fast deployment and addition of new platforms,
provides distributed querying, filtering, and combination of sen-
sor data, and supports the dynamic adaption of the system con-
figuration during operation. GSN's central concept is the virtual
sensor abstraction which enables the user to declaratively specify
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