What is <DOI prefix> of <Institute of Electrical and Electronics Engineers> ?
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What is in the category of Institute of Electrical and Electronics Engineers?
SELECT DISTINCT ?q WHERE { resource:Institute_of_Electrical_and_Electronics_Engineers property:DOI_prefix ?q }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q131566> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1662> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q131566 wdt:P1662 ?answer}
10.1109