How many different affiliations do the authors of 'Self-organizing network interference coordination for future LTE-advanced networks' have?
Count the different affiliations of the authors of 'Self-organizing network interference coordination for future LTE-advanced networks'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/bmsb/BehjatiC13> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/bmsb/BehjatiC13>