How many co-authors does Lu\u00EDs Alberto da Silva Cruz have?
Count the number of co-authors that Lu\u00EDs Alberto da Silva Cruz has.
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/02/9119> . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer FILTER(?answer != <https://dblp.org/pid/02/9119>) }
<https://dblp.org/pid/02/9119>