query-51084f2ddd09e5647536f6697f925c82

PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX schema: <http://schema.org/>
SELECT ?item {
  ?item wikibase:sitelinks 0; wikibase:statements 0 . # no sitelinks, no statements; buggy!
  MINUS { # not in use as value in another item
    ?mainsnakProperty wikibase:propertyType wikibase:WikibaseItem; wikibase:claim ?claim; wikibase:statementProperty ?statementProperty .
    [] ?claim [ ?statementProperty ?item ]
  }
  MINUS { # not in use as qualifier in another item
    ?qualifierProperty wikibase:propertyType wikibase:WikibaseItem; wikibase:qualifier ?qualifier .
    [] ?qualifier ?item
  }
  MINUS { # not in use as reference in another item
    ?referenceProperty wikibase:propertyType wikibase:WikibaseItem; wikibase:reference ?reference .
    [] ?reference ?item
  }
  MINUS { # 2nd check: no sitelinks
    ?sitelink schema:about ?item
  }
  MINUS { # 2nd check: no statements
    ?anyProperty a wikibase:Property; wikibase:claim ?anyClaim .
    ?item ?anyClaim []
  }
}

graph TD classDef projected fill:lightgreen; classDef literal fill:orange; classDef iri fill:yellow; v11("?anyClaim") v10("?anyProperty") v3("?claim") v1("?item"):::projected v2("?mainsnakProperty") v6("?qualifier") v5("?qualifierProperty") v8("?reference") v7("?referenceProperty") v9("?sitelink") v4("?statementProperty") a2((" ")) a3((" ")) a4((" ")) a1((" ")) a5((" ")) c2(["0^^xsd:integer"]):::literal c12(["wikibase:Property"]):::iri c5(["wikibase:WikibaseItem"]):::iri v1 --"wikibase:sitelinks"--> c2 v1 --"wikibase:statements"--> c2 subgraph minus0["MINUS"] style minus0 stroke-width:6px,fill:pink,stroke:red; v2 --"wikibase:propertyType"--> c5 v2 --"wikibase:claim"--> v3 v2 --"wikibase:statementProperty"--> v4 a1 -->v4--> v1 a2 -->v3--> a1 end subgraph minus1["MINUS"] style minus1 stroke-width:6px,fill:pink,stroke:red; v5 --"wikibase:propertyType"--> c5 v5 --"wikibase:qualifier"--> v6 a3 -->v6--> v1 end subgraph minus2["MINUS"] style minus2 stroke-width:6px,fill:pink,stroke:red; v7 --"wikibase:propertyType"--> c5 v7 --"wikibase:reference"--> v8 a4 -->v8--> v1 end subgraph minus3["MINUS"] style minus3 stroke-width:6px,fill:pink,stroke:red; v9 --"schema:about"--> v1 end subgraph minus4["MINUS"] style minus4 stroke-width:6px,fill:pink,stroke:red; v10 --"a"--> c12 v10 --"wikibase:claim"--> v11 v1 -->v11--> a5 end