The main contributions of this thesis are as follows: After analyzing GIS-T data and spatiotemporal data model, some problems of some existing spatiotemporal data model have been gotten.
本文的主要研究工作有以下几点：通过对GIS - T数据和时空数据模型的分析，探讨现有的GIS - T时空数据模型所存在的问题。
Data modeling is a key basis to establish a GIS application system. Thus, the construction of data model of urban public transport will lay the foundation for GIS-T application in this field.
数据模型是GIS应用系统建设的核心和基础，城市公共交通行业数据模型的建立可以为GIS - T在该行业的应用奠定基础。
According to the spatial and temporal characteristics of GIS-T data, this thesis has carried on the analysis and comparison of several existing spatiotemporal data model.
根据GIS - T数据所具有的时空特性，本文对现有的时空数据模型进行对比分析。
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