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[protege-discussion] questions about instance tree

Tania Tudorache tudorache at
Tue Mar 18 14:22:56 PDT 2008

Nafiye Talas wrote:
> Dear Community,
> I have a question regarding the instance tree. Is it possible to hide 
> the 'relation node'?
> See attached picture, I want to hide the link which is marked red. Is 
> this possible?
> Last question I have is about auto numbering. Is it possible when 
> creating an instance a slot
> is filled with an AutoNumber, I couldn't find anything about this 
> topic in the discussion list.

If by AutoNumber, you mean a number that is increased automatically, 
then, no. But, it easy to implement a slot widget that fills in 
automatically the values of slot according to any rule you need. Protege 
does have the notion of a default value of a slot that is filled 
automatically when an instance is created. But, that value is a constant 
value, so it is not different for different instances.

Another idea is to add a knowledge base listener, that listens for the 
creation of instances and it fill automatically the value of the slot.

We have documentation and some examples on our website:


> Thanks in advance!
> With kind regards,
> Nafiye Talas
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