How many papers did the authors of 'The continued usage of business e-learning courses in Hong Kong corporations' publish in 2007?
Count the papers published by the authors of 'The continued usage of business e-learning courses in Hong Kong corporations' in 2007.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/eait/YeungJ07> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2007' }
<https://dblp.org/rec/journals/eait/YeungJ07>