Was a paper not not co-authored by Dillon H. and R. Daly?
Didn't Dillon H. and Ross Daly not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/233/0724> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/149/0146> }
<https://dblp.org/pid/233/0724> <https://dblp.org/pid/149/0146>