PrF UG slots slot hierarchy

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The Slot Hierarchy Window

Protege-Frames User's Guide
The Slots Tab
The Slot Browser
The Slot Buttons
The Slot Menu
The Slot Editor
The Value Type Menu
The Any Value Type
The Boolean Value Type
The Class Value Type
The Float Value Type
The Instance Value Type
The Integer Value Type
The String Value Type
The Symbol Value Type
Creating a New Slot
Viewing a Slot
Editing a Top-Level Slot
Overriding Slot Properties at a Class
Editing Slot Properties
Removing a Slot from a Class
Deleting a Slot from the Project
Adding a Slot to a Class
Removing Overrides From a Slot
Understanding Inverse Slots
Creating an Inverse Slot Relationship
Working with Subslots
Finding a Slot
The Slot Hierarchy Window
The Slot Icons
The Superslots Pane
Glossary, Editing Help

The Slot Hierarchy window in the Slot Browser displays the slots for the project and allows you to rearrange your hierarchy using "drag-and-drop". By default, the Slot window displays the slot structure of your knowledge base, with all slots shown as descending, directly or indirectly, from the system slot :THING.

Slot Hierarchy window


This window shows the following:

  • Subslots appear below their superslots and indented to the right.

  • Hierarchy icons indicate how much or how little of the hierarchy is displayed. An "expanded" (all_hierarchy.expanded) icon means all direct subslots of the slot are displayed. A "collapsed" (all_hierarchy.collapsed) icon means the slot has direct subslots which are not currently displayed. Clicking on either icon toggles it to the other. If no icon is displayed, the slot has no direct subslots.

    Tip: You can also display all slots below a slot by right-clicking the slot and selecting Expand from the cascading Slot menu.

  • The currently selected slot is shown with a highlight.

  • Slots with more than one superslot appear more than once in the tree.

  • Slot icons show information about your slot.

  • If a slot has an inverse slot, the name of the inverse slot is shown after the slot name:

    slot entry with inverse slot


The Slot Hierarchy window allows you to perform the following tasks:

  • You can select a slot by clicking on it.

  • You can edit the attributes of a slot in the Slot Editor. When a slot is selected, the Slot Editor appears to the right. You can also open the Slot Editor for one or more selected slots by clicking the View Slot (slots_slot.view_top_level) button.

  • You can create a new slot by clicking the Create Slot (slots_slot.create) button, then creating and editing its attributes in the Slot Editor.

  • You can delete a slot by clicking the Delete Slot (slots_slot.delete) button.

  • You can search for a slot by typing all or part of the slot name in the Slot lookup bar, then clicking the Search for Slot ( button.

  • You can work with slot metaclasses, using the right mouse button. See the Slot menu for more information.

You can also rearrange the superslot/subslot relationships:

  • You can move a slot to another superslot by selecting the slot, dragging it directly over the new superslot, and then dropping it.

  • You can add an additional superslot to a slot by selecting the slot, dragging it over the additional superslot, and holding down the Ctrl (Cmd) key while you drop it.

For additional superslot tasks you can perform, see the Superslots pane.

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