In the year 2006 in KR, who are the authors that published research papers about Description logics?
In International Conference on the Principles of Knowledge Representation and Reasoning in 2006, who are the authors that published papers about Description logics?
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/conf/kr/CalvaneseGLLR06> <https://dblp.org/rdf/schema#authoredBy> ?answer . <https://dblp.org/rec/conf/kr/CalvaneseGLLR06> <https://dblp.org/rdf/schema#publishedIn> 'KR' . <https://dblp.org/rec/conf/kr/CalvaneseGLLR06> <https://dblp.org/rdf/schema#yearOfPublication> '2006' }
<https://dblp.org/rec/conf/kr/CalvaneseGLLR06>