Abstract
Sensor web is a complex system consisting of various distributed node resources. The standardized modeling and integrated management of heterogeneous nodes would lay the foundation for constructing efficient and reliable sensor web systems. This paper presents an approach for node modeling and management based on the sensor web node meta-model. According to the nine-tuple node metadata structures defined in the meta-model framework, the node modeling workflow is designed and applied in the experimental field in Baoxie Town. The soil moisture monitoring nodes are selected as examples to test the availability of the proposed modeling method. With the core unit and service connection features described, the different resource models and services could be integrated into one unified management platform through model reuse and service combination. The experiments of Baoxie sensor web system prove that the proposed method can provide a powerful tool for the integrated management of node resources.
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