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    Volume 35 Issue 3
    May  2010
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    Article Navigation >  Earth Science  > 2010  >  35(3): 380-384
    HU Mao-sheng, FANG Fang, HUANG Sheng-hui, 2010. Mechanism and Key Technologies of Spatial Data Seamless Integration Version Management. Earth Science, 35(3): 380-384. doi: 10.3799/dqkx.2010.043
    Citation: HU Mao-sheng, FANG Fang, HUANG Sheng-hui, 2010. Mechanism and Key Technologies of Spatial Data Seamless Integration Version Management. Earth Science, 35(3): 380-384. doi: 10.3799/dqkx.2010.043
    shu

    Mechanism and Key Technologies of Spatial Data Seamless Integration Version Management

    doi: 10.3799/dqkx.2010.043
    • 1.

      Faculty of Information Engineering, China University of Geosciences, Wuhan 430074, China

    • 2.

      Engineering Research Center of GIS Software and Applications, Ministry of Education, Wuhan 430074, China

    • 3.

      Wuhan Zondycyber Co., Ltd., Wuhan 430074, China

    • Received Date: 2010-01-15
    • Publish Date: 2010-05-01
      Abstract
    • In order to solve the data organization problem and improve the query efficiency of seamless integration of spatial data and its incremental update in distributed and heterogeneous environment, some features of geo-database mechanism can be used, such as storage in multi-components and incremental storage. Through corresponding seam data to the deleted component in version mechanism, and corresponding seamless data to the added component in version mechanism, and corresponding seamless consistency maintenance process to the data version update process, it establishes a new mechanism called spatial data seamless integration version management mechanism. By this method, seamless integration issue is transformed into initial seamless version establishment issue and version data seamless consistency maintenance issue, and seamless spatial query and dynamic splicing process is transformed into the distributed version query process, which reduces the computational complexity and enhances system efficiency; with the seamless version mechanism, natural storage support for the incremental update is also provided.

       

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