@article{Horrocks01j, title = "The relation between ontologies and XML schemas", author = "M. Klein and D. Fensel and F. van Harmelen and I. Horrocks", year = "2001", journal = "Electronic Trans.\ on Artificial Intelligence", note = "Special Issue on the 1st International Workshop ``Semantic Web: Models, Architectures and Management''", url = "download/2001/etai01.pdf", }