query: SELECT ?item ?property ?wikilink  WHERE {
    {
      SELECT ?property  WHERE {
        {
          SELECT ?property  WHERE {
            wd:Q44601380 ^wdt:P8274 ?property .
            ?property wikibase:claim ?p .
            [] ?p [] .
          } GROUP BY ?property 
        }
      }
    }
    BIND(IRI(CONCAT('http://www.wikidata.org/entity/Q', SUBSTR(STR(?property), 33))) AS ?item) .
    BIND(CONCAT('\u007B\u007BP\u007C', SUBSTR(STR(?property), 32), '\u007D\u007D') AS ?wikilink) .
  }
  ORDER BY ?property