@inproceedings{DBLP:conf/dlog/CeylanLP15,
  title = "Answering EL Queries in the Presence of Preferences",
  author = "{\.I}smail {\.I}lkan Ceylan and Thomas Lukasiewicz and Rafael Pe{\~{n}}aloza",
  year = "2015",
  booktitle = "Proceedings of the 28th International Workshop on Description Logics, DL 2015, Athens, Greece, June 7-10, 2015",
  editor = "Diego Calvanese and Boris Konev",
  pages = "380-383",
  publisher = "CEUR-WS.org",
  series = "CEUR Workshop Proceedings",
  url = "http://ceur-ws.org/Vol-1350/paper-47.pdf",
  volume = "1350",
}