What is <emissivity> of <cement> ?
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What is the impassivity of cement?
SELECT DISTINCT ?z WHERE { resource:cement property:emissivity ?z }
select distinct ?answer where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q45190> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1295> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?answer. }
select distinct ?answer where { wd:Q45190 wdt:P1295 ?answer}
0.54