Didn't Salvatore A. and Carlo Dani not co-author a paper?
Was a paper not not co-authored by Salvatore Aversa and Carlo Dani?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/277/9785> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/277/9761> }
<https://dblp.org/pid/277/9785> <https://dblp.org/pid/277/9761>