Mention the number of papers that Tilove, R. B. has published.
How many papers has Tilove, R. B. published?
SELECT (COUNT(DISTINCT ?answer) AS ?count) WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/15/5522> }
<https://dblp.org/pid/15/5522>