Generic Data Access in XML Based Workflow Management Systems. - Christian Dreier; Johann Eder; Marek Lehmann; Amirreza Tahamtan (CAiSE Forum, 2006)

XML View Based Access to Relational Data in Workflow Management Systems. - Marek Lehmann; Johann Eder; Christian Dreier; Juergen Mangler (Int. J. Comput. Sci. Appl., 2007)