Abstract
Smart cities are constantly faced with the generated data resources. To effectively manage and utilize the big city data, data vitalization technology is proposed. Considering the complex and diverse relationships among the big data, data correlation is very important for data vitalization. This paper presents a framework for data correlation and depicts the discovery, representation and growth of data correlation. In particular, this paper proposes an innovative representation of data correlation, namely the data correlation diagram. Based on the basic and the multi-stage data relations, we optimize the data correlation diagrams according to the transitive rules. We also design dynamic data diagrams to support data and relation changes, reducing the response time to data changes and enabling the autonomous growth of the vitalized data and the relations. Finally an instance of smart behaviors is introduced which verifies the feasibility and efficiency of the data relation diagram.
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Acknowledgement
We gratefully acknowledge the support from National High Technology Research and Development Program of China (2013AA01A601), National Natural Science Foundation of China (61173009, 61502320), the Science Foundation of Shenzhen City in China (JCYJ20140509150917445), Science & Technology Project of Beijing Municipal Commission of Education in China (KM201410028015), and the State Key Laboratory of Software Development Environment (SKLSDE-2015ZX-25).
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Zhang, Y., Tang, X., Du, B., Liu, W., Pu, J., Chen, Y. (2016). Correlation Feature of Big Data in Smart Cities. In: Gao, H., Kim, J., Sakurai, Y. (eds) Database Systems for Advanced Applications. DASFAA 2016. Lecture Notes in Computer Science(), vol 9645. Springer, Cham. https://doi.org/10.1007/978-3-319-32055-7_19
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DOI: https://doi.org/10.1007/978-3-319-32055-7_19
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