| 摘要 |
PROBLEM TO BE SOLVED: To display features of the connection relation between object groups classified into two in an easy-to-see state like a bird's eye view. SOLUTION: When the use relation between two classifications of persons and services is displayed, nodes 110 of the individual services are displayed in a 1st arrangement area 100 forming the outside circle of a concentric circle structure and nodes 210 of the individual persons are displayed in a 2nd arrangement area 200 forming the inside circle; when there is connection relation between those nodes 110 and 210, an arc connecting them is displayed. The angle of view from each point in the 1st arrangement area 100 to the 2nd arrangement area 200 becomes constant and a service used by more persons has more arcs displayed within the constant angle, so that the density of a display of the triangle containing the 'angle of view' appears to visually be large.
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