- From: Peter F. Patel-Schneider <pfpschneider@gmail.com>
- Date: Thu, 10 Jul 2014 18:23:02 -0700
- To: Jose Emilio Labra Gayo <jelabra@gmail.com>, Eric Prud'hommeaux <eric@w3.org>
- CC: "Solbrig, Harold R." <Solbrig.Harold@mayo.edu>, "public-rdf-shapes@w3.org" <public-rdf-shapes@w3.org>, Jim Davies <jim.davies@cs.ox.ac.uk>
Can ShExcala handle number constraints? I get syntax errors when I try to use
number constraints like {2,3}
peter
On 07/10/2014 02:20 PM, Jose Emilio Labra Gayo wrote:
> I tried it in ShExcala and it validates: http://goo.gl/35ISLa
>
> With regards to your question about the spec, I think one of the goals of the
> charter is to work towards a common semantic specification of Shape Expressions.
>
> In the Shexcala implementation, I tried to follow the semantics of RelaxNG
> specification [1] which is defined using inference rules. I adapted those
> rules to ShEx and I described it here:
>
> https://www.w3.org/2001/sw/wiki/ShEx/OperationalSemantics_Operational_semantics
>
> Best regards, Jose Labra
>
> [1] https://www.oasis-open.org/committees/relax-ng/spec.html#semantics
>
>
> On Thu, Jul 10, 2014 at 11:01 PM, Eric Prud'hommeaux <eric@w3.org
> <mailto:eric@w3.org>> wrote:
>
> * Peter F. Patel-Schneider <pfpschneider@gmail.com
> <mailto:pfpschneider@gmail.com>> [2014-07-10 13:11-0700]
> > I played around with Eric's implementation, and it doesn't recognize
> > <Foo> :patron <Foo>, <Foo> .
> > as a <FooShape>.
> >
> > Isn't that a bug?
>
> needs an '@' before the <FooShape>.
> also, my quick hack of an RDF DB was a list instead of a set. fixed (i think).
>
> http://www.w3.org/2013/ShEx/FancyShExDemo?starting-node=%3CFoo%3E&schema=PREFIX%20%3A%20%3C...%3E%0Astart%3D%3CFooShape%3E%0A%3CFooShape%3E%20%7B%0A%20%20%3Apatron%20%40%3CFooShape%3E%0A%7D%0A&data=PREFIX%20%3A%20%3C...%3E%0A%3CFoo%3E%20%3Apatron%20%3CFoo%3E%20.
>
>
> > peter
> >
> >
> > On 07/10/2014 12:53 PM, Jose Emilio Labra Gayo wrote:
> > >I have tried your example in both implementations and it passes without
> > >infinite loops.
> > >
> > >You can check it here:
> > >
> > >Eric's implementaion: http://goo.gl/kBbgCZ
> > >Shexcala implementation: http://goo.gl/rUJ8OS
> > >
> > >
> > >Best regards, Jose Labra
> > >
> > >
> > >On Thu, Jul 10, 2014 at 9:24 PM, Peter F. Patel-Schneider
> > ><pfpschneider@gmail.com <mailto:pfpschneider@gmail.com>
> <mailto:pfpschneider@gmail.com <mailto:pfpschneider@gmail.com>>> wrote:
> > >
> > > Doesn't this cause an infinite loop on cyclic rules when there are
> cycles
> > > in the RDF graph?
> > >
> > > Consider, for example
> > >
> > > schema:
> > > <FooShape> {
> > > :patron <FooShape>
> > > }
> > >
> > > data:
> > > <Foo> :patron <Foo> .
> > >
> > >
> > > peter
> > >
> > >
> > >
> >
>
> --
> -ericP
>
> office: +1.617.599.3509 <tel:%2B1.617.599.3509>
> mobile: +33.6.80.80.35.59 <tel:%2B33.6.80.80.35.59>
>
> (eric@w3.org <mailto:eric@w3.org>)
> Feel free to forward this message to any list for any purpose other than
> email address distribution.
>
> There are subtle nuances encoded in font variation and clever layout
> which can only be seen by printing this message on high-clay paper.
>
>
>
>
> --
> Saludos, Labra
Received on Friday, 11 July 2014 01:23:44 UTC