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From Peter Klügl <pklu...@uni-wuerzburg.de>
Subject Re: annotation comparator
Date Thu, 04 Sep 2008 11:25:25 GMT

what is the status quo for the comparison of two CAS right now? Is there 
yet any usable solution (with or without documentation)?

I am developing a rule-based system (with scripting functionalities) 
especially for complex information and text extraction tasks. The IDE is 
DLTK-based and UIMA descriptors (for a generic implementation) are 
generated automatically. Currently i am improving a information 
extraction application with a test-driven approach. The test cases are, 
of course, CAS XMI files and the comparison (of two CAS) is working, but 
yet unsatisfying. I am especially interested in annotations for the 
false positives and false negatives (overlapping or not overlapping).

Back to my question:
How do you all compare two CAS?
Is there a reusable implementation?


Katrin Tomanek schrieb:
> Hi,
>> Depends what your favorite tooling story is.  If you prefer
>> the eclipse tooling, it should go into eclipse.  I know
>> people who would use this kind of functionality if it was
>> in CVD :-)
>>> And shouldn't the differences be kept as new annotation types so the 
>>> viewers don't need to be changed?
>> Somehow I don't see that.  The tooling could be made a lot
>> nicer if it knows it's displaying differences.  And I wouldn't
>> want to add annotations to my data just for display purposes.
>> Or maybe I misunderstood?
> Mh, not sure. This is probably data that is only used in evaluation 
> scenarios, so I don't see a big problem with it.
> Well, in our first version we now just add new types.  Works OK for us 
> so far. However, its really just a first version...
> Katrin

Peter Klügl
University of Würzburg

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