Abstract

Implicit correlations exist between multi-source geospatial data, the association relation can’t be displayed intuitively and retrieved effectively, which leads to the difficulty in data utilization and data sharing. Aimed at this situation, association relation topic maps is constructed using topic map tools Ontopia in this article. Besides, to increase the efficiency of building topic map, the automatic generation algorithm of association relation topic map which based on C# is proposed. The result of experiment shows that the association relation topic map can be constructed correctly by using Ontopia tools and automatic generation algorithm.

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