Name the author who published the paper on Indexing source descriptions and has the name Kurt.
Which author named Rothermel published the paper on Indexing source descriptions?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/ideas/LangeDR10> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/conf/ideas/LangeDR10>