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Open AccessArticle

Applying OGC Sensor Web Enablement Standards to Develop a TDR Multi-Functional Measurement Model

1
Dept. of Civil Engineering, National Central University, 300 Zhongda, Rd., Zhongli Dist., Taoyuan 320, Taiwan
2
Center for Space and Remote Sensing Research, National Central University, 300 Zhongda, Rd., Zhongli Dist., Taoyuan 320, Taiwan
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(19), 4070; https://doi.org/10.3390/s19194070
Received: 13 August 2019 / Revised: 18 September 2019 / Accepted: 18 September 2019 / Published: 20 September 2019
(This article belongs to the Special Issue Internet of Things Middleware Platforms and Sensing Infrastructure)
Time-domain reflectometry (TDR) is considered as a passive monitoring technique which reveals multi-functions, such as water level, bridge scour, landslide, and suspended sediment concentration (SSC), based on a single TDR device via multiplexing and related algorithms. The current platform for revealing TDR analysis and interpreted observations, however, is complex to access, thus a coherent data model and format for TDR heterogeneous data exchange is useful and necessary. To enhance the interoperability of TDR information, this research aims at standardizing the TDR data based on the Open Geospatial Consortium (OGC) Sensor Web Enablement (SWE) standards. To be specific, this study proposes a TDR sensor description model and an observation model based on the Sensor Model Language (SensorML) and Observation and Measurement (O&M) standards. In addition, a middleware was developed to translate existing TDR information to a Sensor Observation Service (SOS) web service. Overall, by standardizing TDR data with the OGC SWE open standards, relevant information for disaster management can be effectively and efficiently integrated in an interoperable manner. View Full-Text
Keywords: Time-domain reflectometry (TDR); interoperability; Sensor Observation Service (SOS) Time-domain reflectometry (TDR); interoperability; Sensor Observation Service (SOS)
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Chung, C.-C.; Huang, C.-Y.; Guan, C.-R.; Jian, J.-H. Applying OGC Sensor Web Enablement Standards to Develop a TDR Multi-Functional Measurement Model. Sensors 2019, 19, 4070.

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