In 2002 in ISTAS, who are the authors that published papers about Case study?
In International Symposium on Technology and Society in 2002, who are the authors that published papers about Case study?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/istas/CeaparuS02> <https://dblp.org/rdf/schema#authoredBy> ?answer . <https://dblp.org/rec/conf/istas/CeaparuS02> <https://dblp.org/rdf/schema#publishedIn> 'ISTAS' . <https://dblp.org/rec/conf/istas/CeaparuS02> <https://dblp.org/rdf/schema#yearOfPublication> '2002' }
<https://dblp.org/rec/conf/istas/CeaparuS02>