Was a paper not not co-authored by Ning, Jiaxu and H. Zhao?
Didn't Jiaxu Ning and H. Zhao not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/31/7066> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/187/9311> }
<https://dblp.org/pid/31/7066> <https://dblp.org/pid/187/9311>