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Open AccessArticle

A Heterogeneous IoT Data Analysis Framework with Collaboration of Edge-Cloud Computing: Focusing on Indoor PM10 and PM2.5 Status Prediction

1
Information & Media Research Center, Korea Electronics Technology Institute, Seoul 03924, Korea
2
Department of Interaction Science, Sungkyunkwan University, Seoul 03063, Korea
*
Author to whom correspondence should be addressed.
Sensors 2019, 19(14), 3038; https://doi.org/10.3390/s19143038
Received: 11 June 2019 / Revised: 4 July 2019 / Accepted: 5 July 2019 / Published: 10 July 2019
(This article belongs to the Special Issue Edge/Fog/Cloud Computing in the Internet of Things)
The edge platform has evolved to become a part of a distributed computing environment. While typical edges do not have enough processing power to train machine learning models in real time, it is common to generate models in the cloud for use on the edge. The pattern of heterogeneous Internet of Things (IoT) data is dependent on individual circumstances. It is not easy to guarantee prediction performance when a monolithic model is used without considering the spatial characteristics of the space generating those data. In this paper, we propose a collaborative framework using a new method to select the best model for the edge from candidate models of cloud based on sample data correlation. This method lets the edge use the most suitable model without any training tasks on the edge side, and it also minimizes privacy issues. We apply the proposed method to predict future fine particulate matter concentration in an individual space. The results suggest that our method can provide better performance than the previous method. View Full-Text
Keywords: decentralized analysis architecture; edge computing; heterogeneous IoT data analysis; collaborative analysis decentralized analysis architecture; edge computing; heterogeneous IoT data analysis; collaborative analysis
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Moon, J.; Kum, S.; Lee, S. A Heterogeneous IoT Data Analysis Framework with Collaboration of Edge-Cloud Computing: Focusing on Indoor PM10 and PM2.5 Status Prediction. Sensors 2019, 19, 3038.

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