How many different affiliations do the authors of 'From show, to room, to world: a cross-context investigation of how children learn from media programming' have?
Count the different affiliations of the authors of 'From show, to room, to world: a cross-context investigation of how children learn from media programming'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/icls/DuganSM10> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/icls/DuganSM10>