从空间到时间——时空数据模型研究

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From Space to Time-A Research on SpatioTemporal Data Model

JIANG Xiao-yi¹, ZHOU Yun-xuan^1,2

1.State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062,China;2.College of GeoExploration Sicence and Technology, Jilin University, Changchun 130026,China

Received:2005-10-24 Revised:1900-01-01 Online:2006-05-26 Published:2006-05-26
Contact: JIANG Xiao-yi

Abstract

Abstract: On the basis of the spatiotemporal vision in geography, the authors provided a review on spatiotemporal data model (STDM), the stateoftheart and its evolving trends. STDMs currently available are categorized. Definitions and characteristics of typical STDMs are discussed in detail. Meanwhile problems and their causes in STDMs are analyzed particularly. The authors pointed out that it would not satisfy the expression needs of STDMs by simply expanding the existing spatial data models with a temporal dimension. On the contrary, the essential variation and process of geographical phenomena must be analyzed and modeled systematically. An objectoriented and processoriented STDM method that is also spatiotemporal semantic, which matches human logical vision, is the foundation to the study of temporal GIS.

Key words: temporal GIS, spatiotemporal data model, spatiotemporal database

CLC Number:

P208

JIANG Xiao-yi, ZHOU Yun-xuan. From Space to Time-A Research on SpatioTemporal Data Model[J].J4, 2006, 36(03): 480-485.

References

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