query: #title: item datatype properties would generally have this
  # Complex constraint from [[Property talk:P7087]]
  # if applicable, create an item and link it with P7087
  SELECT ?item ?property ?propertyLabel 
  {
      ?property wikibase:propertyType wikibase:WikibaseItem .
      MINUS { ?property wdt:P1696 [] }
      MINUS { ?property wdt:P2302 wd:Q21510862 }
      MINUS { ?property wdt:P7087 [] }  
      MINUS { ?property wdt:P31 wd:Q18667213 }  
      MINUS { ?property wdt:P31 wd:Q18720640 }
      OPTIONAL { ?property wdt:P1629 ?item }
      SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }