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[protege-discussion] Merge Ontology

Mudunuri, Raj Raj.Mudunuri at
Mon Oct 30 01:24:27 PST 2006

Hi Natasha,

Thanq for the explanation... Yes, I was selecting C in the third field before... it works now when I leave it empty...

Regarding the other problem (of time), I guess there was something else going on as you said... it works fine now...


-----Ursprüngliche Nachricht-----
Von: protege-discussion-bounces at [mailto:protege-discussion-bounces at] Im Auftrag von Natasha Noy
Gesendet: Samstag, 28. Oktober 2006 03:05
An: User support for Core Protege and the Protege-Frames editor
Betreff: Re: [protege-discussion] Merge Ontology


No, it shouldn't take too long to compare 50 concepts -- it should be  
virtually instantaneous. Something else is going on.

Could you please be more specific on the steps that you are performing.

> after selecting the 3 ontologies (A and B to be mapped to C) and  
> performing merge operation (by pressing the 'click here to begin'  
> button), I get the exception in my console:
> Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
> 	at  
> edu.stanford.smi.protegex.prompt.MappingKnowledgeBase.performSaveMerge 
> s< Unknown Source>
> 	at edu.stanford.smi.protegex.prompt.PromptTab$1$<Unknown Source>
> 	...
> 	...

It appears that you are specifying C in the third field on the Prompt  
tab. Are you? That field is for  the mapping ontology, in case you  
have performed the merge before, saved the state, and want to replay  
it again. If you are doing it for the first time you need to:
- open C
- specify A and B in the first two fields on the Prompt tab
- leave the optional field empty.

Let us know if this works for you.



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