How many {publisher} are to/by {Association for Computing Machinery} ?
What is the volume of the association for computing machinery's publications?
how much is published by the association for computing machinery?
SELECT ( COUNT ( ?p ) AS ?h ) { ?p property:publisher resource:Association_for_Computing_Machinery }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P123> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q127992 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P123 wd:Q127992 }
203