Didn't Ahmed E. Ismail and Paolo Bientinesi not co-author a paper?
Was a paper not not co-authored by Ahmed E. Ismail and Bientinesi, P.?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/42/7147> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/b/PaoloBientinesi> }
<https://dblp.org/pid/42/7147> <https://dblp.org/pid/b/PaoloBientinesi>