Re: AW: Versioning vs Temporal modeling of Patient State

Thanks, Tanja.

This is very relevant to this discussion.

Cheers,
Bill

On Jan 12, 2007, at 6:46 AM, Tanja Sieber wrote:

>
> I know that there is a PHD thesis facing the challenges of ontology
> evolution:
> Stojanovic, Ljiljana
> Methods and Tools for Ontology Evolution
> Universitat Karlsruhe, Fak. f. Wirtschaftswissenschaften. Diss. v.
> 05.08.2004.
>
> An online version here:
> http://www.ubka.uni-karlsruhe.de/cgi-bin/psview?document=/2004/wiwi/ 
> 10&searc
> h=/2004/wiwi/10
>
> I did not check, if there are the answers exactly to your  
> questions, but
> maybe you find some other useful approaches,
> Tanja
>
>
>
> :: -----Ursprungliche Nachricht-----
> :: Von: public-semweb-lifesci-request@w3.org
> :: [mailto:public-semweb-lifesci-request@w3.org]Im Auftrag von  
> Kashyap,
> :: Vipul
> :: Gesendet: Freitag, 12. Januar 2007 12:27
> :: An: Bijan Parsia; dirk.colaert@agfa.com
> :: Cc: wangxiao@musc.edu; w3c semweb hcls
> :: Betreff: RE: Versioning vs Temporal modeling of Patient State
> ::
> ::
> ::
> ::
> :: Is there any work in the literature related to:
> ::
> :: - Defining what and when a version is?
> :: - Do all updates necessarily lead to a new version?
> :: - Is there a utility to instance versioning?
> ::
> :: The observation about the utility of knowledge base update and
> :: revision is an
> :: astute one. IMHO the utility of instance versioning is not clear  
> either.
> ::
> :: Just my 2 cents,
> ::
> :: ---Vipul
> ::
> ::
> :: > -----Original Message-----
> :: > From: public-semweb-lifesci-request@w3.org
> :: [mailto:public-semweb-lifesci-
> :: > request@w3.org] On Behalf Of Bijan Parsia
> :: > Sent: Friday, January 12, 2007 5:28 AM
> :: > To: dirk.colaert@agfa.com
> :: > Cc: wangxiao@musc.edu; 'w3c semweb hcls'; public-semweb-lifesci-
> :: > request@w3.org
> :: > Subject: Re: Versioning vs Temporal modeling of Patient State
> :: >
> :: >
> :: > On Jan 12, 2007, at 9:36 AM, dirk.colaert@agfa.com wrote:
> :: >
> :: > > Recently I had an interesting conversation with Werner  
> Cuesters,
> :: > > professor in Bufallo and colleague of Barry Smith. He has some
> :: > > theory about ontology maintenance and versioning and it  
> considers
> :: > > both "classes" and "instances". Both can change either  
> because you
> :: > > made en error, either you view on the world changed, either  
> because
> :: > > the world changed . It turns out that you can only handle  
> changes
> :: > > if you know for each change exactly what de reason of the  
> change
> :: > > was. That reason should be documented in the system.
> :: > [snip]
> :: >
> :: > The standard lingo for this is that a change to the knowledge  
> base
> :: > due to a change in the *world* is called an *update* whereas a  
> change
> :: > in your knowledge base due to a change in *your knowledge* of the
> :: > (current static) world is called a *revision*. The locus  
> classicus
> :: > for this, IMHO, is:
> :: > 	<http://citeseer.ist.psu.edu/417296.html>
> :: >
> :: > Following there model theoretic accounts, there is a spate of  
> work
> :: > defining reasoning services that compute the updated or revisied
> :: > knowledge base given a proposed update or revision. E.g.,  
> recently:
> :: > 	<http://lat.inf.tu-dresden.de/~clu/papers/archive/kr06c.pdf>
> :: >
> :: > The utility of model oriented revision and update for expressive
> :: > logics is, IMHO, not fully established, though it is conceptually
> :: > useful in my experience. There is, of course, a large chunk of  
> work
> :: > on revising (and even updating) belief *bases*, that is,  
> attending
> :: > primarily to the *asserted* set of formulae.
> :: >
> :: > Hope this helps.
> :: >
> :: > Cheers,
> :: > Bijan.
> :: >
> :: >
> ::
> ::
> ::
> ::
> ::
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Bill Bug
Senior Research Analyst/Ontological Engineer

Laboratory for Bioimaging  & Anatomical Informatics
www.neuroterrain.org
Department of Neurobiology & Anatomy
Drexel University College of Medicine
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