- From: Lee Feigenbaum <lee@thefigtrees.net>
- Date: Tue, 18 Dec 2012 10:34:08 -0500
- To: Ivan Shmakov <oneingray@gmail.com>
- CC: semantic-web@w3.org
On 12/18/2012 10:23 AM, Ivan Shmakov wrote:
>>>>>> Lee Feigenbaum <lee@thefigtrees.net> writes:
> […]
>
> > So... I'm stuck having to do follow-on queries like:
>
> > SELECT ?p ?o { :Lee :satNextTo [ ?p ?o ] }
>
> > which are more complicated to author, potentially more complicated to
> > execute, and not nearly as precise in the face of multiple people
> > sitting next to Lee.
>
> > So, can you help me understand what I'm missing, please?
>
> Somehow, I feel that it would all get much more complicated
> should there be multiple data sources involved. Consider,
> e. g.:
>
> ### a.turtle -*- Turtle -*-
>
> :Lee :satNextTo <tag:jrh@example.org,2012-12-18/x50d0888e> .
>
> <tag:jrh@example.org,2012-12-18/x50d0888e>
> a ex:Person ;
> :zipCode "02111" ; :gender "male" ; :dob "1978-12-13" .
>
> ### a.turtle ends here
>
> ### b.turtle -*- Turtle -*-
>
> :Lee :satNextTo <tag:fred@example.com,2012-12-18:x50d08896> .
>
> <tag:fred@example.com,2012-12-18/x50d08896>
> a ex:Person ;
> :zipCode "02111" ; :gender "male" ; :dob "1978-12-13" .
>
> ### b.turtle ends here
>
> This way, one may easily end up with hundreds of URI's, each
> naming one and the only person which was unfortunate enough to
> sit next to our Lee.
>
> … And don't forget about all the owl:sameAs arcs necessary to
> manage this crowd!
>
OK, sure. Why is having hundreds of URIs for this person any worse than
having hundreds of distinct blank nodes?
Lee
Received on Tuesday, 18 December 2012 15:34:35 UTC