query: SELECT DISTINCT ?item ?itemLabel
  WHERE
  {
  	VALUES ?instanceof  { wd:Q476028 wd:Q15944511 } 
    	?item wdt:P31 ?instanceof .
    	?item wdt:P17 wd:Q29 .
  	FILTER NOT EXISTS { ?item wdt:P1448 [] . }
  	?article schema:about ?item . ?article schema:isPartOf <https://el.wikipedia.org/>
    	SERVICE wikibase:label { bd:serviceParam wikibase:language "el" }
  }