Mention the co-authors of David S..
With which other authors has the author David S. written papers?
SELECT DISTINCT ?answer WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/132/7069> . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer FILTER(?answer != <https://dblp.org/pid/132/7069>) }
<https://dblp.org/pid/132/7069>