Count the papers published by the authors of 'Performance Issues for Vertex Elimination Methods in Computing Jacobians Using Automatic Differentiation' in 2002.
In 2002, how many papers did the authors of 'Performance Issues for Vertex Elimination Methods in Computing Jacobians Using Automatic Differentiation' publish?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/conf/iccS/TadjouddineFPR02> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#yearOfPublication> '2002' }
<https://dblp.org/rec/conf/iccS/TadjouddineFPR02>