Didn't Linh Paul Phan and K. Liu not co-author a paper?
Was a paper not not co-authored by Linh Paul Phan and Kaikai Liu?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/222/6072> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/82/10612> }
<https://dblp.org/pid/222/6072> <https://dblp.org/pid/82/10612>