GRValidator Implemented E15

From Wiki of the E-Business and Web Science Research Group

Contents 1 Error 15 1.1 E15: Check that each ProductOrService is also either Actual, Model, or InstancePlaceholder. 1.1.1 Validator Tool: Step # 25 1.1.2 Error Message 1.1.3 Potential Problem 1.1.4 Examples of Wrong Data 1.1.5 SPARQL Query

Error 15

E15: Check that each ProductOrService is also either Actual, Model, or InstancePlaceholder.

Validator Tool: Step # 25

Error Message

No direct instances of ProductOrService are allowed, only instances of ActualProductoOrServiceInstance, ProductOrServiceModel, or ProductOrServicesSomeInstancesPlaceHolder.

Potential Problem

Care must be taken that only instances of ActualProductoOrServiceInstance, ProductOrServiceModel, or ProductOrServicesSomeInstancesPlaceHolder exist in the model. ProductOrService is a generic absctrat class that must not be instanciated.

Examples of Wrong Data

@prefix gr: <http://purl.org/goodrelations/v1#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix toy: <http://www.heppnetz.de/ontologies/examples/toy#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
<http://www.heppnetz.de/ontologies/examples/gr> rdf:type owl:Ontology ;
	owl:imports <http://www.heppnetz.de/ontologies/examples/toy> ,
		<http://purl.org/goodrelations/v1> .
<http://www.heppnetz.de/ontologies/examples/gr#ProductOrService_1> rdf:type gr:ProductOrService 

SPARQL Query

PREFIX gr:<http://purl.org/goodrelations/v1#>

SELECT ?object
WHERE
{
  ?object a gr:ProductOrService .
}