How many authors does the publication 'On the Complexity of the Star p-hub Center Problem with Parameterized Triangle Inequality' have?
Find the number of authors of the paper 'On the Complexity of the Star p-hub Center Problem with Parameterized Triangle Inequality'.
SELECT ?answer WHERE { <https://dblp.org/rec/conf/ciac/ChenHHKLW17> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/ciac/ChenHHKLW17>