How many papers did the authors of 'Smart Cities: The Hopes and Hypes' publish in 2019?
In 2019, how many papers did the authors of 'Smart Cities: The Hopes and Hypes' publish?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/corr/abs-1907-05702> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2019' }
<https://dblp.org/rec/journals/corr/abs-1907-05702>