Following is an example of a relationships slot-value browse in a biochemistry KB, showing how a super-pathway is composed of its sub-pathways. The edges are labelled with the slot name, to distinguish slots in the case when you wish to follow more than one slot at a time.
An alternative way of browsing frame relationships is to look purely at classes: i.e. to determine which classes a value of a particular slot must be a member of. For example, if a slot in class A must be filled by an instance of class B, then class B is drawn as a child of class A. This type of browsing will be used if all the selected root frames are classes. We call this type of browse a slot-type browse, to distinguish it from the slot-value browse described above.
A variety of editing operations are available from this viewer. In addition to creating, deleting and renaming frames, slot-value relationships can be inserted and deleted by adding or removing the appropriate edges. This facility provides an intuitive mechanism for building up complex interrelationships between frames.
To invoke the frame relationships viewer, select one or more frames and the command Invoke Frame Relationships Viewer from the Application menu. Note that because you must initially select one or more frames to serve as roots of the relationships browse, it may help to browse the class hierarchy first, to bring the desired frames into the display where they can be clicked on. If you prefer not to browse the class hierarchy first, then after selecting the command, you will be prompted for a frame: just type in the name of the desired frame or frames in the text pane. A new application window containing the relationships view will pop up and become active. You must close this window before you can resume browsing the class hierarchy or performing any other commands in the class hierarchy viewer.
By default, all slots that contain frames as values are selected for browsing, but you may change this if you are interested in only one or a few slots.
If any of the selected roots are instance frames, then the browse will be a slot-value browse. Otherwise, if all selections are class frames, the browse will be a slot-type browse.
The same incremental browse facility is available for the relationships viewer as for the Class Hierarchy viewer. See the description on that page for more details. The command menus also contain many of the same commands as in the class hierarchy viewer command menus. Detailed command descriptions are provided below.
The following eight commands are identical (except possibly in their effects on the display) to the analogous commands from the hierarchy viewer.
The following three commands are identical to the analogous commands from the hierarchy viewer.
The following commands, which are found in the preferences dialog, are identical to those found in the taxonomy viewer:
Return to the beginning of the GKB User Manual.
Visit the Class Hierarchy Viewer page.
Visit the Frame-Editing Viewer page.