The SHACL spec is intentionally vague about sh:order, because there are different potential use cases and it doesn't have strict semantics anyway. In the case of form building, the best practice that seems to establish itself is to combine sh:order with sh:group. You can either reuse existing property groups or create new ones. Then, use sh:order to establish the relative position of a property within its group.

The example in the spec illustrates all this

https://www.w3.org/TR/shacl/#defaultValue

Holger


On 29/11/2017 7:40, Bohms, H.M. (Michel) wrote:

Or can I reuse the existing tosh:DisplayPropertyGroup?

        

Dr. ir. H.M. (Michel) Böhms
Senior Data Scientist

        

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*From:*[email protected] [mailto:[email protected]] *On Behalf Of *Bohms, H.M. (Michel)
*Sent:* Tuesday, November 28, 2017 10:34 PM
*To:* [email protected]
*Subject:* RE: [topbraid-users] sh:order in evn

Hi Irene

The spec:

/2.3.2.2 sh:order/

Property shapes may have one value <https://www.w3.org/TR/shacl/#dfn-value> for the property sh:order to indicate the relative order of the property shape for purposes such as form building. The values of sh:order are decimals. sh:order is not used for validation purposes and may be used with any type of subjects. If present at property shapes, the recommended use of sh:order is to sort the property shapes in an ascending order, for example so that properties with smaller order are placed above (or to the left) of properties with larger order.

Seems to suggest (by not saying anything about “in context of a group”:

  * Not always group needed for order of property shapes

But ok, where do I actually define this one group?

Do I just instantiate it myself next to the tosh groups?

Thx again! Michel

*From:*[email protected] <mailto:[email protected]> [mailto:[email protected]] *On Behalf Of *Irene Polikoff
*Sent:* Tuesday, November 28, 2017 10:18 PM
*To:* [email protected] <mailto:[email protected]>
*Subject:* Re: [topbraid-users] sh:order in evn

The order is within a property group, so you need to create a property group and add it to each property shape.

    On Nov 28, 2017, at 3:59 PM, Bohms, H.M. (Michel)
    <[email protected] <mailto:[email protected]>> wrote:

    I tried:

    kebo:TechniqueType

      rdf:type owl:Class ;

      rdf:type sh:NodeShape ;

      rdfs:label "TechniekType"@nl ;

      rdfs:label "TechniqueType"@en ;

      rdfs:subClassOf kebo:Root ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:analysisAndElaboration ;

          sh:datatype xsd:string ;

          sh:name "analysisAndElaboration" ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:applicability ;

          sh:datatype xsd:string ;

          sh:name "applicability" ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:applicableForRiskType ;

          sh:class kebo:RiskType ;

          sh:name "applicableForRiskType" ;

          sh:nodeKind sh:IRI ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:background ;

          sh:datatype rdf:HTML ;

          sh:name "background" ;

          sh:order 1 ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:backgroundImage ;

          sh:datatype xsd:anyURI ;

          sh:name "backgroundImage" ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:externalExpertise ;

          sh:datatype xsd:string ;

          sh:name "externalExpertise" ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:frequency ;

          sh:datatype xsd:string ;

          sh:name "frequency" ;

        ] ;

      sh:property [

          rdf:type sh:PropertyShape ;

          sh:path kebo:goal ;

          sh:datatype xsd:string ;

          sh:name "goal" ;

          sh:order 0 ;

        ] ;

    But the order in evn of my actual property data stays
    alphabetical. What am I doing wrong?

    Thx Michel

        

    Dr. ir. H.M. (Michel) Böhms
    Senior Data Scientist

        

    T +31888663107
    M +31630381220
    E [email protected] <mailto:[email protected]>

        

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