Isn't Badreddin, E. not affiliated with University of Mannheim, Germany?
Doesn't Badreddin, E. not work at University of Mannheim?
ASK { <https://dblp.org/pid/b/EssameddinBadreddin> <https://dblp.org/rdf/schema#primaryAffiliation> 'University of Mannheim, Germany' }
<https://dblp.org/pid/b/EssameddinBadreddin>