Abstract
The world-wide sensor web has become a very useful technique for monitoring the physical world at spatial and temporal scales that were previously impossible. Yet we believe that the full potential of sensor web has thus far not been revealed. In order to harvest the world-wide sensor web's full potential, a geospatial cyberinfrastructure is needed to store, process, and deliver large amount of sensor data collected worldwide. In this paper, we first define the issue of the sensor web long tail followed by our view of the world-wide sensor web architecture. Then, we introduce the Geospatial Cyberinfrastructure for Environmental Sensing (GeoCENS) architecture and explain each of its components. Finally, with demonstration of three real-world powered-by-GeoCENS sensor web applications, we believe that the GeoCENS architecture can successfully address the sensor web long tail issue and consequently realize the world-wide sensor web vision.
Highlights
In recent years, large-scale sensor arrays and the vast datasets that are produced worldwide are being utilized, shared and published by a rising number of researchers on an ever-increasing frequency
In order to build a sensor web system, we need to address the issue of the world-wide sensor web long tail, where sensor data produced by smaller organizations or individuals are unavailable to the public
As the Geospatial Cyberinfrastructure for Environmental Sensing (GeoCENS) project is designed for environmental researchers, we have demonstrated that the GeoCENS architecture can be applied to many applications
Summary
Large-scale sensor arrays and the vast datasets that are produced worldwide are being utilized, shared and published by a rising number of researchers on an ever-increasing frequency. The sensor web/network is increasingly attracting the interest of researchers for a wide range of applications. These include: large-scale environmental monitoring [3,4,5], civil structures [6], roadways [7,8], and animal habitats [9,10]. In order to build a sensor web system, we need to address the issue of the world-wide sensor web long tail, where sensor data produced by smaller organizations or individuals are unavailable to the public.
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