XML representation of hierarchical classification systems: from conceptual models to real applications. - Simon Hölzer; Ralf Schweiger; Raymond Liu; Dirk Rudolf; Joerg Rieger; Joachim Dudeck (AMIA, 2002)

Application of Information Technology: Plug-and-Play XML: A Health Care Perspective. - Ralf Schweiger; Simon Hölzer; Udo Altmann; Joerg Rieger; Joachim Dudeck (J. Am. Medical Informatics Assoc., 2002)

Linking clinical data using XML topic maps. - Ralf Schweiger; Simon Hölzer; Dirk Rudolf; Joerg Rieger; Joachim Dudeck (Artif. Intell. Medicine, 2003)

Dealing with an Information Overload of Health Science Data: Structured utilisation of libraries, distributed knowledge in databases and web content. - Simon Hölzer; Ralf Schweiger; Joerg Rieger; Michael Meyer (MIE, 2006)