- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Fri, 15 Mar 2013 17:16:58 -0400
- To: public-semweb-lifesci@w3.org
- Message-ID: <51438FCA.5070606@openlinksw.com>
On 3/15/13 3:18 PM, Jim McCusker wrote: > This is a useful solution, but doesn't address issues that arise when > Gu or Gj contain owl:sameAs triples, but the authors of those graphs > didn't actually mean the full OWL semantics by it. In the provenance > WG, we have come up with two relations that are sameAs-like, but no > not have the full owl:sameAs semantics: > > prov:specializationOf > IRI:http://www.w3.org/ns/prov#specializationOf > > An entity that is a specialization of another shares all aspects of > the latter, and additionally presents more specific aspects of the > same thing as the latter. In particular, the lifetime of the entity > being specialized contains that of any specialization. Examples of > aspects include a time period, an abstraction, and a context > associated with the entity. > > prov:alternateOf > IRI:http://www.w3.org/ns/prov#alternateOf > > Two alternate entities present aspects of the same thing. These > aspects may be the same or different, and the alternate entities may > or may not overlap in time. > > I think that these are more appropriate for Linked Data applications, > since they are "looser" semantically, than owl:sameAs. Your relation semantics can go in a specific named graph ("context lenses" so to speak). You then use these named graph as the source of the inference rules that are conditionally invoked for your desired world-view. Kingsley > > > On Fri, Mar 15, 2013 at 2:29 PM, Jeremy J Carroll <jjc@syapse.com > <mailto:jjc@syapse.com>> wrote: > > I did not find this a rookie question at all. > > This seems to get to the heart of some of the real difficult > issues in Semantic Web. > > My perspective is different from yours, and a resource description > that I author is a description of the resource from my > perspective; a resource description that you author is a > description from your perspective. > > If I have some detailed application that depends in some subtle > way on my description, I may want to ignore your version; on the > other hand, a third party might want to use both of our points of > view. > > One way of tacking this problem is to have three graphs for this case: > > Gj, Gu, G= > > Gj contains triples describing my point of view > Gu contains triples describing your point of view > G= contains the owl:sameAs triples > > Then, in some application contexts, we use Gj, sometimes Gu, and > sometimes all three. > > Jeremy > > > > > On Mar 15, 2013, at 11:02 AM, Umutcan ŞİMŞEK <s.umutcan@gmail.com > <mailto:s.umutcan@gmail.com>> wrote: > > > Thanks for the quick answer : ) > > > > So this issue is that subjective for contexts which allows to > use owl:sameAs to link resources if they are not semantically > even a little bit related in real world? > > > > Sorry if I'm asking too basic questions. I'm still a rookie at > this :D > > > > Umutcan > > > > > > On 15-03-2013 19:38, Kingsley Idehen wrote: > >> On 3/15/13 1:05 PM, Umutcan ŞİMŞEK wrote: > >>> My question is, does LODD use owl:sameAs properly? For > instance, are those two resources, dbpedia:Metamizole and > drugbank:DB04817 (code for Metamizole), really identical? Or am I > getting the word "property" in the paper wrong? > >> The question is always about: do those URIs denote the same > thing? Put differently, do the two URIs have a common referent? > >> > >> ## Turtle ## > >> > >> <#i> owl:sameAs <#you>. > >> > >> ## End ## > >> > >> That's a relation in the form of a 3-tuple based statement that > carries entailment consequences for a reasoner that understand the > relation semantics. Through some "context lenses" the statement > above could be accurate, in others totally inaccurate. > >> > >> Conclusion, beauty lies eternally in the eyes of the beholder :-) > >> > > > > > > > > > > -- > Jim McCusker > Programmer Analyst > Krauthammer Lab, Pathology Informatics > Yale School of Medicine > james.mccusker@yale.edu <mailto:james.mccusker@yale.edu> | (203) 785-4436 > http://krauthammerlab.med.yale.edu > > PhD Student > Tetherless World Constellation > Rensselaer Polytechnic Institute > mccusj@cs.rpi.edu <mailto:mccusj@cs.rpi.edu> > http://tw.rpi.edu -- Regards, Kingsley Idehen Founder & CEO OpenLink Software Company Web: http://www.openlinksw.com Personal Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca handle: @kidehen Google+ Profile: https://plus.google.com/112399767740508618350/about LinkedIn Profile: http://www.linkedin.com/in/kidehen
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Received on Friday, 15 March 2013 21:17:21 UTC