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Sensors (Basel). 2018 Jan 22;18(1). pii: E313. doi: 10.3390/s18010313.

A Survey of Data Semantization in Internet of Things.

Shi F1,2, Li Q3,4, Zhu T5, Ning H6,7.

Author information

1
School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China. shifeifeiustb@163.com.
2
Beijing Engineering Research Center for Cyberspace Data Analysis and Applications, Beijing 100083, China. shifeifeiustb@163.com.
3
School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China. b20150313@xs.ustb.edu.cn.
4
Beijing Engineering Research Center for Cyberspace Data Analysis and Applications, Beijing 100083, China. b20150313@xs.ustb.edu.cn.
5
Software School,University of South China, Hengyang 421001, China. tzhu@ustb.edu.cn.
6
School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing 100083, China. ninghuansheng@ustb.edu.cn.
7
Beijing Engineering Research Center for Cyberspace Data Analysis and Applications, Beijing 100083, China. ninghuansheng@ustb.edu.cn.

Abstract

With the development of Internet of Things (IoT), more and more sensors, actuators and mobile devices have been deployed into our daily lives. The result is that tremendous data are produced and it is urgent to dig out hidden information behind these volumous data. However, IoT data generated by multi-modal sensors or devices show great differences in formats, domains and types, which poses challenges for machines to process and understand. Therefore, adding semantics to Internet of Things becomes an overwhelming tendency. This paper provides a systematic review of data semantization in IoT, including its backgrounds, processing flows, prevalent techniques, applications, existing challenges and open issues. It surveys development status of adding semantics to IoT data, mainly referring to sensor data and points out current issues and challenges that are worth further study.

KEYWORDS:

Internet of Things; data semantization; ontologies

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