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[protege-discussion] Changes at KnowledgeBase

Jonathan Carter jonathan.carter at
Mon May 19 02:00:20 PDT 2008

I've done this without any problems, using the Java API as you  
described via the Protege Script Tab.
If you're working outside of Protege, have you remembered to invoke  
the project save? I'm not connected at the moment, so I can't check  
the API but I'm pretty sure that there's something in there to get the  
project to save. I suspect, though, that if your project was using the  
Protege database, this would not be required, as each interaction on  
the knowledge base would be committed to the database immediately.

Hope this helps a bit


Jonathan Carter - Head of Technical Architecture
Enterprise Architecture Solutions Ltd

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On 18 May 2008, at 13:39, Antonia Iliopoulou wrote:

> Hi,
> I 'm trying to develop a java application using protege frames java  
> API. So, at the beginning of the code I write :
> Project project = new Project(PROJECT_FILE_NAME, errors);
> .....
> KnowledgeBase kb = project.getKnowledgeBase();
> And I make my changes at the knowledgeBase. For examples I add  
> instances. When I open the project from Protege these new instences  
> do not exist. Is there a way that the changes I make with java code  
> are reflected to the actual protege project?
> I am new to protege and obviously there are many things that I do  
> not know. Are there any examples of java code using protege java api?
> Thank you in advance,
> Antonia
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> protege-discussion mailing list
> protege-discussion at
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