Volume 31 Issue 5
Sep.  2006
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YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.
Citation: YE Ya-qin, ZUO Ze-jun, CHEN Bo, 2006. Orient-Entity Spatial Data Model. Earth Science, 31(5): 595-599.

Orient-Entity Spatial Data Model

  • Received Date: 2006-05-30
  • Publish Date: 2006-09-25
  • The spatial data model is basic to the research of GIS. New generation large-scale GIS has high levels of data, complex topology relations and many data categories. In order to meet these requirements, we propose a new kind of GIS data model: the orient-entity spatial data model. An entity is the basic, representative object in this model. The advantages are a strong ability for representation and semantics, expression and transformation of semantics, and realization with ease. This paper introduces the data model from the sides of the spatial data management and the concept data model. A system with this model can strengthen its ability of representation to real world objects, and rationalizing data organization.

     

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