Count the different affiliations of the authors of 'Partitioning a graph of bounded tree-width to connected subgraphs of almost uniform size'.
How many different affiliations do the authors of 'Partitioning a graph of bounded tree-width to connected subgraphs of almost uniform size' have?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/jda/ItoZN06> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/journals/jda/ItoZN06>