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| | Class Hierarchy Viewer |
 | | The class hierarchy is drawn as a tree-structured graph in which each frame is a node in the graph, and directed edges are drawn from classes to subclasses and instances. |
 | | The types of statistics that are generated include number of classes and instances, depth of the class hierarchy, percentage of primitive classes, average number of slots per frame, average number of values per slot, etc. |
 | | For situations in which you are displaying classes only, or don't wish to expand a class node, this command presents a menu of instances of the currently selected class frame. |
| www.ai.sri.com /~gkb/hierarchy.html (4080 words) |
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