W3C home > Mailing lists > Public > public-semweb-lifesci@w3.org > March 2013

Re: owl:sameAs - Is it used in a right way?

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Fri, 15 Mar 2013 17:08:09 -0400
Message-ID: <51438DB9.6020604@openlinksw.com>
To: public-semweb-lifesci@w3.org
On 3/15/13 2:29 PM, Jeremy J Carroll 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
+1

Kingsley

>
>
>
> On Mar 15, 2013, at 11:02 AM, Umutcan ŞİMŞEK <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 :-)
>>>
>>
>
>
>


-- 

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







Received on Friday, 15 March 2013 21:08:33 UTC

This archive was generated by hypermail 2.3.1 : Wednesday, 7 January 2015 14:53:01 UTC