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[protege-owl] Troubles saving 100k+ triples/10 mb+ project

Timothy Redmond tredmond at
Fri Aug 22 11:41:54 PDT 2008

Thanks for including the logs.  They were very nice and helped me rule
out some problems.

As Samson said the ontologies you have are relatively small.  The
ontologies loaded in about 3 minutes on the mac (which is longer than I
would expect but it works...).   It sounds like something is going wrong
during the save process.  Also the memory you supplied should have been
quite adequate.

To make progress on this issue there are two things that we can try.
One is to send us a stack trace (see [1]).  Wait a bit until you know it
is doing the save operation and the stack trace will tell us what is
going on.

Second, if the above is not enough, send us the ontologies (you can send
them to me out of line if you want them to be private).  Then maybe we
can replicate this and figure out what  is wrong.



On Thu, 2008-08-21 at 23:55 -0700, Rune Stilling wrote:
> Hi there
> I have troubles working with at 100k+ triples (OWL) project in file based
> mode. It's a pretty complex model with multiple inheritence many attributes
> and 3 seperate name spaces.
> I load the three owl-files into Protégé (mac 3.4 b505 version) and try to
> save the entire project. After this Protégé takes up all the available
> memory (900 mb) runs 100% cpu for more than 30 minutes and nothing else
> happens.
> I have tried the same thing on a PC - In this case the application just
> chrashes after a while.
> I have uploaded the log files from Protégé.
> Anyone with experience working with large ontologies in Protégé?
> \Rune
> protege_mac.log 
> protege_pc.log 

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