GNSS World of China

Volume 44 Issue 6
Dec.  2019
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DENG Chao, WANG Lei, ZHANG Bingchuan, JIA Bao. Research on construction of multi-granularity spatio-temporal data model based on BDS[J]. GNSS World of China, 2019, 44(6): 1-6. doi: DOI:10.13442/j.gnss.1008-9268.2019.06.001
Citation: DENG Chao, WANG Lei, ZHANG Bingchuan, JIA Bao. Research on construction of multi-granularity spatio-temporal data model based on BDS[J]. GNSS World of China, 2019, 44(6): 1-6. doi: DOI:10.13442/j.gnss.1008-9268.2019.06.001
shu

Research on construction of multi-granularity spatio-temporal data model based on BDS

doi: DOI:10.13442/j.gnss.1008-9268.2019.06.001
  • 1.

    PLA Strategic Support Force Information Engineering University,Zhengzhou 450001,China

  • 2.

    The Chinese People's Armed Police Force ZheJiang Crops,Hangzhou 310016,China

  • 3.

    Henan Institute of Surveying and Mapping, Zhengzhou 450003, China

  • Publish Date: 2019-12-15
    Abstract
  • Focus on the difficulty of storing and analyzing in the process of organizing and managing spatio-temporal data of BDS,this paper selects spatio-temporal data of BDS as the research object and analyses its characteristics. Idea of space-time granulation is introduced to express it from three granularities: space-granularity, time granularity and space-time granularity. According to the method of Object-Oriented and Modified models of Ground State, the conceptual model of multi-granularity spatio-temporal data of BDS are given.A method to construct multi-granularity spatio-temporal data model based on BDS is proposesed. One example proves that this method can realize the organization and management of spatial-temporal data of BDS.

     

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