GRValidator Implemented E17

Error 17

E17: Check that gr:opens and gr:closes use following format: hh:mm:ss (ISO 8601)

Validator Tool: Step # 29

Error Message

Open and close hours must be in 24 hours format and must follow one of the next conventions: hh:mm:ss, hh:mm:ssZ, hh:mm:ss+hh:mm, hh:mm:ss-hh:mm.

Potential Problem

Care must be taken that open a close hours follow the given format, otherwise it is not possible to know whether or not an hour is correct.

Examples of Wrong Data

@prefix toy: <http://www.heppnetz.de/ontologies/examples/toy#> .
@prefix protege: <http://protege.stanford.edu/plugins/owl/protege#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix gr: <http://purl.org/goodrelations/v1#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
<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#ElectronicsCom> rdf:type gr:BusinessEntity ;
	gr:legalName "Electronics.com Ltd."^^<&xsd;string> ;
	rdfs:seeAlso "" ;
	gr:offers <http://www.heppnetz.de/ontologies/examples/gr#Offering_1> .
<http://www.heppnetz.de/ontologies/examples/gr#mySony100TVSet> rdf:type gr:ActualProductOrServiceInstance ,
		<http://www.heppnetz.de/ontologies/examples/&toy;TVSet> ;
	toy:hasScreenSize <http://www.heppnetz.de/ontologies/examples/gr#QuantitativeValueFloat_1> .
<http://www.heppnetz.de/ontologies/examples/gr#Opening_1> rdf:type gr:OpeningHoursSpecification ;
	gr:opens "00:00:00Z" ;
	gr:closes "23:13:00+00:30" .
<http://www.heppnetz.de/ontologies/examples/gr#OpeningHoursSpecification_Mon_am> rdf:type gr:OpeningHoursSpecification ;
	gr:hasOpeningHoursDayOfWeek gr:Monday ;
	gr:opens "08:00:00Z00:30"^^<http://www.w3.org/2001/XMLSchema#time> ;
	gr:closes "20:00:00"^^<http://www.w3.org/2001/XMLSchema#time> .

SPARQL Query

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

SELECT ?object
WHERE
{
  ?object a gr:OpeningHoursSpecification .
  ?object gr:opens ?opens .
  ?object gr:closes ?closes .
  FILTER (
    !( regex(str(?opens), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]$")  ||
      regex(str(?opens), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]Z$")  ||
      regex(str(?opens), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9][-+](0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$") ) ||
    !( regex(str(?closes), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]$")  ||
      regex(str(?closes), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]Z$")  ||
      regex(str(?closes), "^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9][-+](0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$") )
  )
}