Hello Ernest,
> OK, anyway, the trick is to use
> (have (possession-type (class (call Class forName "package.pencil"))))
Thanks for your quick answer :-)
Am I correct in assuming that to use this trick means to add an extra type
slot to my predicates for every existing slot? For example the predicate
(have) has two slots: (possession, owner). I should add two extra:
(possession, possession-type, owner, owner-type).
If this is the case, then is there an elegant way to do this from Java code?
Basically what my agent does is iterating a list of Java classes in the
ontology and for every class execute the defclass function with an optional
extends argument. Is it possible to not add the additional type-slots
(possession-type, owner-type) to the Java classes, but to add them while
defclassing the classes and connect them to the slots' class types?
For example the java class is:
class Have implements Predicate
{
PhysicalObject possession;
HumanBeing owner;
}
defclass generates the following deftemplate:
"(deftemplate MAIN::have extends MAIN::__fact \"$JAVA-OBJECT$
storyagents.storyworldontology.Have\"
(slot class (default <External-Address:jess.SerializablePD>))
(slot owner (default <External-Address:jess.SerializablePD>))
(slot possession (default <External-Address:jess.SerializablePD>))
(slot OBJECT (type 2048)))"
Is it possible to modify this template by adding the additional slots
(owner-type, possession-type) and connecting them to the class types of
(owner, possession)?
Bye,
Sander
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