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Home > Archive>Volume 8, Issue 7, 1997 >505-510
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OBJECT-ORIENTED THREE-LEVELED DATA MODEL
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    Abstract:

    GIS (geographic infortnation system) data can be divided into three sorts: geometric data, geographic data and graphic data. TLDM proposed in this paper describes these three sorts of data and their relationships with object-oriented model. TLDM is used as the data model of OOGDB implemented.

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杨树强,王峰,陈火旺.面向对象的3级数据模型.软件学报,1997,8(7):505-510

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  • Received:
  • Revised:August 26,1996
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