W3C home > Mailing lists > Public > public-rdf-star@w3.org > March 2021

Re: Text about SPARQL-star built-in functions ready

From: Pavel Klinov <pavel@stardog.com>
Date: Wed, 3 Mar 2021 11:45:35 +0100
Message-ID: <CAJ-ZGXo6z7-_WKB6iqkS42rR279WA9TZxdieg99R5c5kT2yk3g@mail.gmail.com>
To: Martynas Jusevičius <martynas@atomgraph.com>
Cc: Olaf Hartig <olaf.hartig@liu.se>, public-rdf-star@w3.org
On Wed, Mar 3, 2021 at 10:50 AM Martynas Jusevičius <martynas@atomgraph.com>
wrote:

> I'm guessing James is referring to named graphs:
> https://github.com/w3c/rdf-star/issues/25
>
> Are there any examples of how RDF* can be combined with named graphs?
>

The concepts of RDF-star Graph and RDF-star Dataset defined in Section 2
allow RDF-star triples to be asserted in named graphs, just like regular
RDF triples.

This has also been discussed (with examples) in the following issue:
https://github.com/w3c/rdf-star/issues/49

+1 to Olaf's point that this is orthogonal to the new built-in functions.

Cheers,
Pavel


>
> On Wed, Mar 3, 2021 at 10:22 AM Olaf Hartig <olaf.hartig@liu.se> wrote:
> >
> > James,
> >
> > On tisdag 2 mars 2021 kl. 21:09:13 CET James Anderson wrote:
> > > good evening;
> > >
> > > > On 2021-03-02, at 18:56:40, Olaf Hartig <olaf.hartig@liu.se> wrote:
> > > >
> > > > Hi all,
> > > >
> > > > I have implemented the proposal [1] to add the five new built-in
> functions
> > > > to the spec. See the following PR
> > > >
> > > > https://github.com/w3c/rdf-star/pull/118
> > > >
> > > > For your convenience, here is the link to the preview:
> > > >
> > > > https://pr-preview.s3.amazonaws.com/w3c/rdf-star/pull/118.html
> > > >
> > > > The changes are in Section 4.2 (SPARQL-star Grammar) and in the new
> > > > Section 4.4 (Function Definitions).
> > > >
> > > > As agreed during our telco last Friday, I will leave this PR open for
> > > > three days so that your can take a look at it and raise concerns (if
> any).
> > > > Unless anyone brings forward reasons that this PR should not be
> merged,
> > > > I will merge it on Friday afternoon (CET).
> > >
> > > i raise the concern, that the approach needs to comprehend quads
> before it
> > > will be usable.
> >
> > Not sure what exactly you mean by "quads." There is no definition of
> such a
> > notion (neither in the RDF and SPARQL specs, nor in any draft of the
> RDF-star
> > spec).
> >
> > Also, I don't see what "quads" have to do with the PR which focuses on
> the
> > five new built-in functions.
> >
> > Please clarify.
> >
> > Thanks,
> > Olaf
> >
> >
> > >
> > > best regards, from berlin,
> >
> >
> >
>
>
Received on Wednesday, 3 March 2021 10:46:00 UTC

This archive was generated by hypermail 2.4.0 : Wednesday, 3 March 2021 10:46:01 UTC