Re: What we voted on at the f2f

Artaud,

SPIN ideas and design certainly contributed to the spec along with the various input from the working group members.

However, there is no SPIN in the spec. It is defined using SPARQL, not SPIN. And SPIN itself, as a matter of fact, is defined in SPARQL.

So, I believe you are misinterpreting whatever Holger may have said in an email. He,  I would think, used the slash to simply indicate that SHACL templates use a design similar to the one used by SPIN templates.

The spec in this regard speaks for itself and should be the only source for evaluating it. It doesn't give any basis to saying that it is defined in SPIN and not in SPARQL. If you find something like this in the spec, please point it out.

Irene 



> On Mar 25, 2015, at 11:11 AM, Arnaud Le Hors <lehors@us.ibm.com> wrote:
> 
> "Peter F. Patel-Schneider" <pfpschneider@gmail.com> wrote on 03/24/2015 11:37:52 AM:
> 
> > From: "Peter F. Patel-Schneider" <pfpschneider@gmail.com> 
> > To: Arnaud Le Hors/Cupertino/IBM@IBMUS, "public-data-shapes-
> > wg@w3.org" <public-data-shapes-wg@w3.org> 
> > Date: 03/24/2015 11:40 AM 
> > Subject: Re: What we voted on at the f2f 
> > 
> > -----BEGIN PGP SIGNED MESSAGE-----
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> > I am rather puzzled as to how https://w3c.github.io/data-shapes/shacl/ is
> > based on SPIN templates as opposed to plain SPARQL.
> 
> I actually got that from an email Holger wrote to me in which he referred to the definition of the formal semantics of the SHACL Core "in SHACL/SPIN templates". 
> 
> I understood this to be a reference to the layering that has led him to his current draft in which he started from SPIN and defined a templating system on top of it, with which he then defined some predefined/built-in constructs. 
> --
> Arnaud  Le Hors - Senior Technical Staff Member, Open Web Technologies - IBM Software Group
> 
> > 
> > peter
> > 
> > 
> > On 03/24/2015 11:30 AM, Arnaud Le Hors wrote:
> > [...]
> > > One thing I wonder is whether the fact that the semantics of the higher
> > > level constructs in Holger's proposal are actually based on SPIN
> > > templates rather than plain SPARQL isn't adding to the confusion and
> > > negative reaction by some. -- Arnaud  Le Hors - Senior Technical Staff
> > > Member, Open Web Technologies - IBM Software Group
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