Name the venue in which Grad published the paper about Semidefinite optimization.
Grad published the paper on Semidefinite optimization in which venue?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/or/Grad14> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/24/8224> . <https://dblp.org/rec/conf/or/Grad14> <https://dblp.org/rdf/schema#publishedIn> ?answer }
<https://dblp.org/pid/24/8224> <https://dblp.org/rec/conf/or/Grad14>