Didn't Dongdong Yang and Ye, B. not co-author a paper?
Was a paper not not co-authored by D. Yang and Baopeng Ye?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/69/7227> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/309/4360> }
<https://dblp.org/pid/69/7227> <https://dblp.org/pid/309/4360>