Didn't Jian Wang and L. Lin not co-author a paper?
Was a paper not not co-authored by Jian W. and L. Lin?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/39/449-4> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/13/3315> }
<https://dblp.org/pid/39/449-4> <https://dblp.org/pid/13/3315>