How many publications did the authors of the paper 'Enhancing product search by best-selling prediction in e-commerce' publish in CIKM?
Mention the count of papers published by the authors of 'Enhancing product search by best-selling prediction in e-commerce' in CIKM.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/cikm/LongBDC12> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#publishedIn> 'CIKM' }
<https://dblp.org/rec/conf/cikm/LongBDC12>