@Inproceedings{motik2004qafowr, address = "Hiroshima, Japan", author = "Boris Motik and Ulrike Sattler and Rudi Studer", booktitle = "Proceedings of the 3rd International Semantic Web Conference (ISWC 2004)", month = "November", title = "Query Answering for OWL-DL with Rules", year = "2004", }