Report the average number of publications by Yun Yang per year.
What is the average number of research papers published by the author Y. Yang per year?
SELECT (AVG(?count) AS ?answer) { SELECT (COUNT(?y) AS ?count) WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/90/3406-1> . ?x <https://dblp.org/rdf/schema#yearOfPublication> ?y } GROUP BY ?y }
<https://dblp.org/pid/90/3406-1>