Count the different affiliations of the authors of 'Design and Evaluation of a Low Density Generator Matrix (LDGM) Large Block FEC Codec'.
How many different affiliations do the authors of 'Design and Evaluation of a Low Density Generator Matrix (LDGM) Large Block FEC Codec' have?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/ngc/RocaKL03> <https://dblp.org/rdf/schema#authoredBy> ?x . ?x <https://dblp.org/rdf/schema#primaryAffiliation> ?answer }
<https://dblp.org/rec/conf/ngc/RocaKL03>