How many different affiliations do the authors of 'Increasing Resiliency in Multi-phase Wireless Sensor Networks: Generationwise Key Predistribution Approach' have?
Count the different affiliations of the authors of 'Increasing Resiliency in Multi-phase Wireless Sensor Networks: Generationwise Key Predistribution Approach'.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/cj/ErgunLS11> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/journals/cj/ErgunLS11>