query: PREFIX schema: <http://schema.org/>
  
  #items without instance of and subclass of
  SELECT ?item ?statements (COUNT(DISTINCT ?sitelink) AS ?sites) ?itemLabel WHERE {
    ?wikilink schema:about ?item.
    ?wikilink schema:isPartOf <https://bg.wikipedia.org/>.
    ?item wikibase:sitelinks _:b4.
    MINUS { ?item (wdt:P31|wdt:P279) _:b5. }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
    ?item wikibase:statements ?statements.
    OPTIONAL {
      ?sitelink schema:about ?item.
      ?sitelink schema:inLanguage ?lang.
    }
  }
  GROUP BY ?item ?statements ?itemLabel
  ORDER BY ?sites
  LIMIT 1000