In addition to the extra constraint components

    http://datashapes.org/constraints.html

the dash namespace also imports the tosh namespace, which contains constraints on the SHACL metamodel and therefore is used to drive the forms in EDG.

What you do with the files generated with TopBraid outside of TopBraid is of course your own decision. I assume all standards-compliant SHACL validation engines will support at least SHACL Core without any mandatory owl:imports. In the SHACL API that I wrote, the code uses dash and tosh internally to identify the constraint components, so they are internally added in case they don't exist in the provided shapes graph. But this happens automatically.

Holger


On 2021-06-20 7:48 am, Steve Ray wrote:
Very cool! With bated breath, I tried it, and nothing blew up!

It would be good to know at some point what functionality I lose by directly importing
owl:imports<http://www.w3.org/ns/shacl# <http://www.w3.org/ns/shacl#>>;
instead of
owl:imports<http://datashapes.org/dash <http://datashapes.org/dash>>;
Steve




On Sat, Jun 19, 2021 at 3:36 AM David Price <[email protected] <mailto:[email protected]>> wrote:

    Hi Steve and Michel

    I’m not near my computer so cannot do it for you, but suggest
    replacing dash import with SHACL import and trying it. I think
    that’s ok.

    Cheers,
    David

    On 19 Jun 2021, at 08:44, 'Bohms, H.M. (Michel)' via TopBraid
    Suite Users <[email protected]
    <mailto:[email protected]>> wrote:

    

    I have exactly the same issue in CEN TC442/WG4/TG3 ….

    I now have:

    # baseURI: https://w3id.org/sml/shacl/def
    <https://w3id.org/sml/shacl/def>

    # imports: https://w3id.org/sml/rdfs/def
    <https://w3id.org/sml/rdfs/def>

    # imports: http://datashapes.org/dash <http://datashapes.org/dash>

    # imports: http://qudt.org/schema/qudt <http://qudt.org/schema/qudt>

    # imports: http://qudt.org/vocab/quantitykind
    <http://qudt.org/vocab/quantitykind>

    # imports: http://qudt.org/vocab/unit <http://qudt.org/vocab/unit>

    # imports: http://www.w3.org/2004/02/skos/core
    <http://www.w3.org/2004/02/skos/core>

    # imports: https://www.w3.org/2006/time
    <https://www.w3.org/2006/time>

    # prefix: sml

    @prefix dash: <http://datashapes.org/dash#
    <http://datashapes.org/dash#>> .

    @prefix sml: <https://w3id.org/sml/def#
    <https://w3id.org/sml/def#>> .

    @prefix owl: <http://www.w3.org/2002/07/owl#
    <http://www.w3.org/2002/07/owl#>> .

    @prefix quantitykind: <http://qudt.org/vocab/quantitykind/
    <http://qudt.org/vocab/quantitykind/>> .

    @prefix qudt: <http://qudt.org/schema/qudt/
    <http://qudt.org/schema/qudt/>> .

    @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
    <http://www.w3.org/1999/02/22-rdf-syntax-ns#>> .

    @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#
    <http://www.w3.org/2000/01/rdf-schema#>> .

    @prefix sh: <http://www.w3.org/ns/shacl#
    <http://www.w3.org/ns/shacl#>> .

    @prefix skos: <http://www.w3.org/2004/02/skos/core#
    <http://www.w3.org/2004/02/skos/core#>> .

    @prefix time: <http://www.w3.org/2006/time#
    <http://www.w3.org/2006/time#>> .

    @prefix unit: <http://qudt.org/vocab/unit/
    <http://qudt.org/vocab/unit/>> .

    @prefix xsd: <http://www.w3.org/2001/XMLSchema#
    <http://www.w3.org/2001/XMLSchema#>> .

    <https://w3id.org/sml/shacl/def <https://w3id.org/sml/shacl/def>>

      a owl:Ontology ;

    owl:imports <https://w3id.org/sml/rdfs/def
    <https://w3id.org/sml/rdfs/def>> ;

      owl:imports <http://datashapes.org/dash
    <http://datashapes.org/dash>> ;

    owl:imports <http://qudt.org/schema/qudt
    <http://qudt.org/schema/qudt>> ;

    owl:imports <http://qudt.org/vocab/quantitykind
    <http://qudt.org/vocab/quantitykind>> ;

    owl:imports <http://qudt.org/vocab/unit
    <http://qudt.org/vocab/unit>> ;

    owl:imports <https://www.w3.org/2006/time
    <https://www.w3.org/2006/time>> ;

    .

    Etc.

    But people question the red.

    Thx michel

        

    Dr. ir. H.M. (Michel) Bohms
    Scientist Specialist
    Structural Reliability

        

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    *Van:* [email protected]
    <mailto:[email protected]>
    <[email protected]
    <mailto:[email protected]>> *Namens *Steve Ray
    *Verzonden:* vrijdag 18 juni 2021 21:58
    *Aan:* TopBraid Suite Users <[email protected]
    <mailto:[email protected]>>
    *Onderwerp:* [topbraid-users] Staying with official SHACL

    Hi, I'm working with a standards committee that would rather
    avoid straying outside the official W3C SHACL standard. My
    question is, if I removed the import of datashapes.org/dash
    <http://datashapes.org/dash> from the files I'm working with,
    does this bring the TopQuadrant tools to a crashing halt as far
    as running the SHACL reasoner?

    I suppose another way of asking this is whether SHACL is built in
    to TBC under the hood, or is the dash import part of that?


    Steve

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