Was a paper not not co-authored by Lie-Liang Yang and F. Yang?
Didn't Lie-Liang Yang and Fucheng Yang not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/66/4332> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/119/9453> }
<https://dblp.org/pid/66/4332> <https://dblp.org/pid/119/9453>