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[protege-discussion] Protege frames: need to store additional info per class

Thomas Russ tar at ISI.EDU
Mon Mar 5 17:31:11 PST 2007


On Mar 5, 2007, at 1:36 PM, Jens Selbach wrote:

> Hi,
> what is the best way to store additional information per class which
> does not
> show up in instances, but is available through protege API?

Use own slots on the class.
Only template slots show up in the instances.  Own slots are only on  
the classes.

But to make the own slots show up in the forms, you will need to  
introduce your own metaclass, and then make all of your classes (or  
at least all of the relevant ones) use your new metaclass.
You create the metaclass by making a subclass of :standard-class and  
then you use the appropriate menu item to change the metaclass of  
your existing classes (and their subclasses -- which is a nice,  
convenient menu option).





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