@inproceedings{DBLP:conf/sebd/DiNL2013, title = "On Ontologies and CP-Nets", author = "Tommaso Di Noia and Thomas Lukasiewicz", year = "2013", booktitle = "Proceedings of the 21st Italian Symposium on Advanced Database Systems, SEBD 2013, Roccella Jonica, Italy, June 30 - July 3, 2013", }