Research on the Modeling and Indexing Method for River Network
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摘要: 针对水系河网的非欧时空特征限制了数据查询效率,提出了一种面向水系河网的建模与索引方法。该方法首先建立水系河网的多尺度图论化模型,在此基础上定义河段的概念,并建立基于河段的流域水系河网索引(BRR-Tree)实现水利领域特征的表达,用以实现水利领域语义查询
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