Count the different affiliations of the authors of 'Rational orthogonal bases satisfying the Bedrosian identity'.
How many different affiliations do the authors of 'Rational orthogonal bases satisfying the Bedrosian identity' have?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/adcm/TanSY10> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/journals/adcm/TanSY10>