prefix s:    <http://schema.org/>
prefix puml: <http://plantuml.com/ontology#>
prefix xsd:  <http://www.w3.org/2001/XMLSchema#>
construct {
  ?url_URL a s:WebPage;
    s:name     ?title;
    s:author   ?author;
    s:date     ?date_xsd_date;
}
where {

    filter(?status='published')
    bind(iri(concat(?url)) as ?url_URL)
    bind(strdt(?date,xsd:date) as ?date_xsd_date)
}
