| 摘要 |
A method, system and program product for operating a data processing system comprises displaying on a display device a plurality of nodes of a network and a grid of intersection points, each intersection point either indicating the existence of a connection between two nodes, or indicating the lack of a connection between two nodes. Following receipt of a first user input at a user interface device, the first user input comprising selection of an intersection point, and a second user input at a user interface device, the second user input indicating a change for the selected intersection point, the change comprising an addition, deletion or amendment of a connection corresponding to the selected intersection, the display of the grid of intersection points is updated.
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