How many co-authors does Kazuya Kobayashi have?
Count the number of co-authors that Kazuya Kobayashi has.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/22/10007> . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer FILTER(?answer != <https://dblp.org/pid/22/10007>) }
<https://dblp.org/pid/22/10007>