datacatalog-constraint.ttl

@prefix : <https://cube.link/shape/datacatalog-constraint#> .
@prefix dash: <http://datashapes.org/dash#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix schema: <http://schema.org/> .
@prefix sh: <http://www.w3.org/ns/shacl#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix cube: <https://cube.link/> .
PREFIX void: <http://rdfs.org/ns/void#>
PREFIX dcat: <http://www.w3.org/ns/dcat#>
PREFIX dcterms: <http://purl.org/dc/terms/>

#
# This is the bare minimal SHACL shape for validating a datacatalog.
# All datacatlogs should pass this validation.
#

:DataCatalogShape
    a sh:NodeShape ;
    sh:targetClass schema:DataCatalog ;
    #sh:targetClass ;
    sh:or(
            sh:property [
		        sh:path schema:name;
                sh:minCount 1;
                sh:datatype xsd:string;
                sh:message "schema:DataCatalog needs a schema:name"
            ]
            sh:property [
		        sh:path schema:name;
                sh:minCount 1;
                sh:datatype rdf:langString;
                sh:message "schema:DataCatalog needs a schema:name"
            ]
    );
    sh:property [
        # optional, but recommended
        sh:path schema:dataset;
        sh:minCount 1;
        sh:node :DataSetShape ;
        sh:message "schema:DataCatalog needs at least one dataset"
    ] .

:DataSetShape
    a sh:NodeShape ;
    sh:targetClass schema:Dataset;
    sh:or(
            sh:property [
		        sh:path schema:name;
                sh:minCount 1;
                sh:datatype xsd:string;
                sh:message "schema:Dataset needs a schema:name"
            ]
            sh:property [
		        sh:path schema:name;
                sh:minCount 1;
                sh:datatype rdf:langString;
                sh:message "schema:Dataset needs a schema:name"
            ]
    );
    sh:or(
            sh:property [
		        sh:path schema:description;
                sh:minCount 1;
                sh:datatype xsd:string;
                sh:message "schema:Dataset needs a schema:description"
            ]
            sh:property [
		        sh:path schema:description;
                sh:minCount 1;
                sh:datatype rdf:langString;
                sh:message "schema:Dataset needs a schema:description"
            ]
    );
    sh:property [
		        sh:path schema:identifier;
                sh:minCount 1;
                sh:maxCount 1;
                sh:datatype xsd:string;
                sh:message "schema:Dataset needs a schema:identifier"
    ] ;
    sh:property [
        sh:path schema:publisher ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs an schema:publisher"
    ] ;
    sh:property [
        sh:path schema:contactPoint ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs an schema:contactpoint"
    ] ;
    sh:property [
        sh:path schema:contributor ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs an schema:contributor"
    ] ;
    sh:property [
        sh:path schema:dateCreated ;
        sh:minCount 1 ;
        sh:datatype xsd:date;
        sh:message "schema:Dataset needs a valid schema:dateCreated"
    ] ;
    sh:property [
        sh:path schema:dateModified ;
        sh:minCount 1 ;
        sh:datatype xsd:date;
        sh:message "schema:Dataset needs a valid schema:dateModified"
    ] ;
    sh:property [
        sh:path schema:hasPart ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs a schema:hasPart"
    ] ;
    sh:property [
        sh:path void:sparqlEndpoint ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs a void:sparqlEndpoint"
    ] ;
    sh:property [
        sh:path void:rootResource ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs a void:rootResource"
    ] ;
    sh:property [
        sh:path void:exampleResource ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "schema:Dataset needs a void:exampleResource"
    ] ;
    sh:property [
        sh:path dcat:distribution ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:node :DCATDistributionShape;
        sh:message "schema:Dataset needs a valid dcat:Distribution"
    ] ;

    .

:DCATDistributionShape
    a sh:NodeShape ;
    sh:targetClass dcat:Distribution;
    sh:property [
        sh:path dcterms:issued ;
        sh:minCount 1 ;
        sh:datatype xsd:date;
        sh:message "dcat:Distribution needs a valid dcterms:issues"
    ] ;
    sh:property [
        sh:path dcterms:publisher ;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "dcat:Distribution needs a valid dcterms:publisher"
    ] ;
    sh:property [
        sh:path dcterms:identifier ;
        sh:minCount 1 ;
        sh:maxCount 1 ;
        sh:datatype xsd:string;
        sh:message "dcat:Distribution needs a valid dcterms:identifier"
    ] ;
    sh:property [
        sh:path dcat:downloadURL;
        sh:minCount 1 ;
        sh:nodeKind sh:IRI ;
        sh:message "dcat:Distribution needs a valid dcat:downloadURL"
    ] ;
    .