Denis Ponomaryov, Dmitry Vlasov. On Definability and Redundancy in $\cal{EL}$ -TBoxes. In Markus Krötzsch, Umberto Straccia, editors, Web Reasoning and Rule Systems - 6th International Conference, RR 2012, Vienna, Austria, September 10-12, 2012. Proceedings. Volume 7497 of Lecture Notes in Computer Science, pages 250-253, Springer, 2012. [doi]
Abstract is missing.