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- W2380416865 abstract "Existing methods of information measurement are firstly investigated in detail and the shortcomings pointed out.To develop a scientific method of information measurement,this paper analyzes the essence of map information source,i.e.the diversity and difference of spatial features and their distributions,and proposes the components of spatial information content for a point-shaped map,including geometrical distribution information,topological adjacency information and cluster structural information.On this basis,the metric characteristics of each type of information are analyzed and obtained,i.e.distribution density,topological adjacency and cluster structure.Moreover,a unified model of measuring the spatial information content of point-shaped map is build upon these characteristics.In calculation,the area of Voronoi regions of point elements is selected to describe quantitatively distribution density,1-order Voronoi adjacent degree for topological adjacency,and the number,distribution area and density of point elements for cluster structure.Finally,practical examples are provided and the experimental results indicate the rationality and superiority of the proposed methods." @default.
- W2380416865 created "2016-06-24" @default.
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- W2380416865 date "2013-01-01" @default.
- W2380416865 modified "2023-09-23" @default.
- W2380416865 title "An Approach to Measuring the Spatial Information Content of a Point-shaped Map" @default.
- W2380416865 hasPublicationYear "2013" @default.
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