Question: Count the different number of academic areas covered by publications of SAGE?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/publisher> <http://dbpedia.org/resource/SAGE_Publications> . ?x <http://dbpedia.org/ontology/academicDiscipline> ?uri  . }
Answer: There are [553] academic disciplines of the journals published by SAGE Publications.