Doesn't David Wettergreen not work at Carnegie Mellon University, Pittsburgh, USA?
Isn't David Wettergreen not affiliated with Carnegie Mellon University?
ASK { <https://dblp.org/pid/w/DavidWettergreen> <https://dblp.org/rdf/schema#primaryAffiliation> 'Carnegie Mellon University, Pittsburgh, USA' }
<https://dblp.org/pid/w/DavidWettergreen>