Computer Science ›› 2015, Vol. 42 ›› Issue (3): 185-190.doi: 10.11896/j.issn.1002-137X.2015.03.038

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Data Storage and Query in Internet of Things

HE Yan-xiang, YU Tao, CHEN Yan-zhao, LI Qing-an and FAN Tong-rang   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Internet of Things includes radio frequency identification devices,sensors,smart embedded devices and other heterogeneous devices,in which the services used to mark,perceive,treat,and transmit information are running.So there are a large amount of non-continuous and time-sensitive data.These kinds of data are very important to ensure the normal operation of the industrial chain.However,the existing data management technologies can not fit the need of storage and query of these data.For multidimensional and polymorphic data and data with other features in the Internet of Things,we proposed a multi-level metadata standard with learning support based on service-oriented data management framework of Internet of Things and Dublin metadata standard.Then we designed a process from XML metadata description to data stored in relational databases.Optimized data storage and query programs were proposed.Finally we verified the proposed storage and query schemes.

Key words: Internet of things,Metadata,Storage,Query

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