A lightweight and configurable application for publishing sensor network data
Sensor network research projects have generated volumes of observation data for application domains including agriculture, environmental science, engineering and health care. However, very little of the data collected in these projects has been made available in the public domain for other scientists.
This problem is known colloquially as the “data graveyard problem,” and is a significant barrier for sensor network researchers, not least because the impact of sensor networks designed for habitat and environmental monitoring will be measured by their ability to enable new applications and produce new results otherwise too difficult to realize.
This paper analyses the reasons that so little sensor network data is published online in a usable form, and identifies gaps in currently available publication systems. To address these gaps we present WebSense, a lightweight and configurable web-based tool for sensor network researchers to publish their collected data.
WebSense uses open-source technologies to build a simple to install and use, configurable application for publishing sensor network data. WebSense fills a gap in existing solutions for publishing sensor network data by supporting sensor network researchers who wish to maintain control and ownership of their data and to publish it in a usable form with the minimum of fuss.
WebSense has been evaluated using case studies for a variety of different sensor network deployments. The novel features of WebSense are:
1. It supports existing models for both physical and domain properties of sensor network
data and metadata;
2. the developer maintains ownership and control of their data;
3. lightweight protocols are used for publication and maintenance of data; and
4. it uses a configurable and modular presentation layer that can be readily extended.
To read this external content in full, download the complete paper from the author online archives at the University of Western Australia.
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