Didn't Saleh A. Al-Jufout and Zhilong Chen not co-author a paper?
Was a paper not not co-authored by Saleh A. Al-Jufout and Chen, Zhilong?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/34/6133> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/130/9796> }
<https://dblp.org/pid/34/6133> <https://dblp.org/pid/130/9796>