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Sensors 2018, 18(3), 799;

Data Summarization in the Node by Parameters (DSNP): Local Data Fusion in an IoT Environment

Department of Statistics, Applied Mathematics and Computing, Institute of Geosciences and Exact Sciences, UNESP—University Estadual Paulista, Rio Claro 13506-900, Brazil
Department of Informatics and Statistics, Federal University of Santa Catarina, Florianopolis 88040-900, Brazil
Computer and Networking, Federal Institute of São Paulo (IFSP), Catanduva 15808-305, Brazil
Author to whom correspondence should be addressed.
Received: 26 December 2017 / Revised: 1 March 2018 / Accepted: 2 March 2018 / Published: 7 March 2018
(This article belongs to the Section Internet of Things)
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With the advent of the Internet of Things, billions of objects or devices are inserted into the global computer network, generating and processing data at a volume never imagined before. This paper proposes a way to collect and process local data through a data fusion technology called summarization. The main feature of the proposal is the local data fusion, through parameters provided by the application, ensuring the quality of data collected by the sensor node. In the evaluation, the sensor node was compared when performing the data summary with another that performed a continuous recording of the collected data. Two sets of nodes were created, one with a sensor node that analyzed the luminosity of the room, which in this case obtained a reduction of 97% in the volume of data generated, and another set that analyzed the temperature of the room, obtaining a reduction of 80% in the data volume. Through these tests, it has been proven that the local data fusion at the node can be used to reduce the volume of data generated, consequently decreasing the volume of messages generated by IoT environments. View Full-Text
Keywords: data fusion; summarization; Internet of Things; IoT data fusion; summarization; Internet of Things; IoT

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Maschi, L.F.C.; Pinto, A.S.R.; Meneguette, R.I.; Baldassin, A. Data Summarization in the Node by Parameters (DSNP): Local Data Fusion in an IoT Environment. Sensors 2018, 18, 799.

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