Was a paper not not co-authored by Hans Eberle and Nils Gura?
Didn't Hans Eberle and Gura, Nils not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/46/4152> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/49/2203> }
<https://dblp.org/pid/46/4152> <https://dblp.org/pid/49/2203>