Didn't Korayem, M. and W. Shalaby not co-author a paper?
Was a paper not not co-authored by Mohammed Korayem and W. Shalaby?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/85/8980> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/156/0091> }
<https://dblp.org/pid/85/8980> <https://dblp.org/pid/156/0091>