How many research papers has Carl Hewitt published?
How many papers has C. Hewitt published?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/h/CarlHewitt> }
<https://dblp.org/pid/h/CarlHewitt>