Didn't Lipitakis, Alexandra and Evanthia Faliagka not co-author a paper?
Was a paper not not co-authored by Alexandra Lipitakis and E. Faliagka?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/77/3581> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/49/3381> }
<https://dblp.org/pid/77/3581> <https://dblp.org/pid/49/3381>