Was a paper not not co-authored by Kiyoharu Aizawa and Naoto Inoue?
Didn't Aizawa, Kiyoharu and Inoue, N. not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/71/5426> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/51/9469> }
<https://dblp.org/pid/71/5426> <https://dblp.org/pid/51/9469>