Re: Schema.org related SHACL shapes

On Thu, 21 May 2020, 02:57 Holger Knublauch, <holger@topquadrant.com> wrote:

>
> On 21/05/2020 03:20, James Hudson wrote:
>
> Hello,
>
> Dan B.,
>
> While I am disappointed that no one has already done my work for me :-),
> what you have confirmed (I think) is that it is work worth doing and there
> are no known red flags against considering developing SHACL Shapes which
> would validate schema.org data instances.
>
> If anyone can point me to specific work that have experimented with
> creating SHACL Shapes which validate schema.org data instances, I would
> be interested. I will keep looking.
>
> Based on the breadth and extent of schema.org, it would seem to be a lot
> of work for complete validation.
>
>
> Alasdair,
>
> I looked at your site, but did not see any SHACL Shapes related to
> schema.org classes or properties. I assume you are using them underneath
> somewhere...? Can they be shared?
>
>
> Gregory, Thomas,
>
> Thank you for pointing me at http://datashapes.org/schema. Unless I am
> mistaken, it ( http://datashapes.org/schema.ttl ) seems that is about
> validating schema.org classes and properties itself and not data
> instances.
>
> No, that SHACL file is actually for instances. It is generated from the
> original RDFa definition of the schema.org classes and properties and
> interprets the specified ranges as sh:datatype and sh:class constraints. So
> you *can* use it as a shapes graph when validating instances.
>
> And yes, it's not entirely up to date - if anyone needs the very latest
> version I could re-run the generator (which is also bundled with TBC in
> case anyone has that).
>
Maybe we got set something up using GitHub Actions to trigger after new
schema.org releases?

Dan

Holger
>
>
>
> Although, their "example file" (
> http://datashapes.org/schemashacl.shapes.ttl ) is what I am looking for,
> but it only covers one class. Still, there will be things in there that I
> can use.
>
> It does provide some nice examples for how to do certain things in SHACL.
>
>
> Umut, Elias,
>
> Thank you for pointing me at semantify.it. I will have to take a closer
> look, but it does not appear to have what I am looking for this time, which
> is literally a SHACL Shape which can validate
> https://schema.org/Invoice#Invoice-gen-367 , for example -- and beyond
> that, SHACL Shapes which could validate data instances of all of the
> schema.org classes and properties. Incomplete solutions would be of value.
>
>
> Regards,
> James
>
>
>
>