| 摘要 |
Properties of real nodes are selected by which to organize the real nodes as leaf nodes in a tree graph. A number of virtual nodes are provided, each representing a value of a selected property for at least one of the real nodes. The virtual nodes and real nodes are organized into the tree graph, the virtual nodes positioned along branches starting at a root node and ending at a real node, the virtual nodes in a unique path from the root node to a real node representing the values of the selected properties for the real node. The tree graph is displayed, and can be reconfigured by dragging and dropping a virtual node to a different level in the hierarchy of the tree graph.
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