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Smart city article details

Title	A Decentralized Approach For Real Time Anomaly Detection In Transportation Networks
ID_Doc	1276
Authors	Wilbur M.; Dubey A.; Leao B.; Bhattacharjee S.
Year	2019
Published	Proceedings - 2019 IEEE International Conference on Smart Computing, SMARTCOMP 2019
DOI	http://dx.doi.org/10.1109/SMARTCOMP.2019.00063
Abstract	Internet of Things (IoT), edge/fog computing, and the cloud are fueling rapid development in smart connected cities. Given the increasing rate of urbanization, the advancement of these technologies is a critical component of mitigating demand on already constrained transportation resources. Smart transportation systems are most effectively implemented as a decentralized network, in which traffic sensors send data to small low-powered devices called Roadside Units (RSUs). These RSUs host various computation and networking services. Data driven applications such as optimal routing require precise real-time data, however, data-driven approaches are susceptible to data integrity attacks. Therefore we propose a multi-tiered anomaly detection framework which utilizes spare processing capabilities of the distributed RSU network in combination with the cloud for fast, real-time detection. In this paper we present a novel real time anomaly detection framework. Additionally, we focus on implementation of our framework in smart-city transportation systems by providing a constrained clustering algorithm for RSU placement throughout the network. Extensive experimental validation using traffic data from Nashville, TN demonstrates that the proposed methods significantly reduce computation requirements while maintaining similar performance to current state of the art anomaly detection methods. © 2019 IEEE.
Author Keywords	Anomaly Detection; Decentralized; Smart Cities; Transportation

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