Which author named Xavier published the paper on Fire plume?
Name the author who published the paper on Fire plume and has the name Xavier.
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/whispers/DeschampsMBFL11> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/conf/whispers/DeschampsMBFL11>