How many papers did the authors of 'Structured data acquisition with ontology-based web forms' publish in ICBO?
Mention the count of papers published by the authors of 'Structured data acquisition with ontology-based web forms' in ICBO.
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/icbo/GoncalvesTNTM15> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#publishedIn> 'ICBO' }
<https://dblp.org/rec/conf/icbo/GoncalvesTNTM15>