Figure 2.11 KnowledgeWorks System Browser
If you are familiar with LispWorks system definitions, look at the system definition for the animal demo, by evaluating:
(example-edit-file "kw/animal/defsystem")
It contains a KB-SYSTEM and a KB-INIT-SYSTEM. Examine the components of each system (which can be source files or subsystems) using the System Browser which is available from the Editor via Esc X Describe System or
File > Browse Parent System
.
KB-SYSTEMs are reloaded when the rules are cleared. KB-INIT-SYSTEMs are reloaded when the object base is cleared.
Try this out by finding the KnowledgeWorks Listener and choosing
Memory >
Clear Objects and Rules
. Then enter (load-system "ANIMAL") into the KnowledgeWorks Listener to reload the system animal. Both the files animal-rules and animal-objs are reloaded. Now choose
Memory >
Clear Objects
and reload the animal system again and note how only the file animal-objs is reloaded.
KnowledgeWorks and Prolog User Guide (Macintosh version) - 26 Feb 2015