query: #Properties with value a technical standard
  SELECT DISTINCT ?propertyRel ?propertyItem ?propertyItemLabel WHERE 
  {
     ?item ?propertyRel ?standard.
     {?standard wdt:P31/wdt:P279* wd:Q11942732.}
    UNION
    {?standard wdt:P31/wdt:P279* wd:Q9266.}
    UNION
    {?standard wdt:P31/wdt:P279* wd:Q600396.}
    UNION
    {?standard wdt:P31/wdt:P279* wd:Q41415.}
    UNION
    {?standard wdt:P31/wdt:P279* wd:Q1628963.}
    UNION
    {?standard wdt:P31/wdt:P279* wd:Q772630.}
      UNION
    {?standard wdt:P31/wdt:P279* wd:Q16911615.}
      UNION
    {?standard wdt:P31/wdt:P279* wd:Q182940.}
      UNION
    {?standard wdt:P31/wdt:P279* wd:Q622440.}
      UNION
    {?standard wdt:P31/wdt:P279* wd:Q1344463.}
     ?propertyItem wikibase:directClaim ?propertyRel
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  }