Find the number of authors of the paper 'Toward Video Bookmarking Search: Search-Target Inference from TVWatching'.
How many authors does 'Toward Video Bookmarking Search: Search-Target Inference from TVWatching' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/semco/OkamotoU07> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/semco/OkamotoU07>