@article{MoHS09a, title = "Bridging the Gap Between {OWL} and Relational Databases", author = "Boris Motik and Ian Horrocks and Ulrike Sattler", year = "2009", journal = "J.\ of Web Semantics", month = "April", number = "2", pages = "74--89", url = "download/2009/MoHS09a.pdf", volume = "7", doi = "10.1016/j.websem.2009.02.001", }