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Sensors 2011, 11(8), 7568-7605; doi:10.3390/s110807568

Semantically-Enabled Sensor Plug & Play for the Sensor Web

1,2,3,* , 1
1 Institute for Geoinformatics, University of Münster, D-48151 Münster, Germany 2 ITC Faculty, University of Twente, 7522 NB Enschede, The Netherlands 3 52° North Initiative for Geospatial Open Source Software, D-48155 Münster, Germany 4 Geography Department, University of California, Santa Barbara, CA 93106, USA
* Author to whom correspondence should be addressed.
Received: 9 July 2011 / Revised: 26 July 2011 / Accepted: 26 July 2011 / Published: 2 August 2011
(This article belongs to the Section Physical Sensors)
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Environmental sensors have continuously improved by becoming smaller, cheaper, and more intelligent over the past years. As consequence of these technological advancements, sensors are increasingly deployed to monitor our environment. The large variety of available sensor types with often incompatible protocols complicates the integration of sensors into observing systems. The standardized Web service interfaces and data encodings defined within OGC’s Sensor Web Enablement (SWE) framework make sensors available over the Web and hide the heterogeneous sensor protocols from applications. So far, the SWE framework does not describe how to integrate sensors on-the-fly with minimal human intervention. The driver software which enables access to sensors has to be implemented and the measured sensor data has to be manually mapped to the SWE models. In this article we introduce a Sensor Plug & Play infrastructure for the Sensor Web by combining (1) semantic matchmaking functionality, (2) a publish/subscribe mechanism underlying the SensorWeb, as well as (3) a model for the declarative description of sensor interfaces which serves as a generic driver mechanism. We implement and evaluate our approach by applying it to an oil spill scenario. The matchmaking is realized using existing ontologies and reasoning engines and provides a strong case for the semantic integration capabilities provided by Semantic Web research.
Keywords: Sensor Web Enablement; Sensor Plug & Play; sensor integration; Semantic Web; sensor bus; sensor interface descriptors; semantic matching; ontology alignment Sensor Web Enablement; Sensor Plug & Play; sensor integration; Semantic Web; sensor bus; sensor interface descriptors; semantic matching; ontology alignment
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bröring, A.; Maué, P.; Janowicz, K.; Nüst, D.; Malewski, C. Semantically-Enabled Sensor Plug & Play for the Sensor Web. Sensors 2011, 11, 7568-7605.

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