Semantic Storage: A Report on Performance and Flexibility. - Edgar R. Weippl; Markus D. Klemen; Manfred Linnert; Stefan Fenz; Gernot Goluch; A Min Tjoa (DEXA, 2005)

Business process-based valuation of IT-security. - Thomas Neubauer; Markus D. Klemen; Stefan Biffl (ACM SIGSOFT Softw. Eng. Notes, 2005)

Secure Business Process Management: A Roadmap. - Thomas Neubauer; Markus D. Klemen; Stefan Biffl (ARES, 2006)

Security Ontology: Simulating Threats to Corporate Assets. - Andreas Ekelhart; Stefan Fenz; Markus D. Klemen; Edgar R. Weippl (ICISS, 2006)

The Semantic Desktop: A Semantic Personal Information Management System Based on RDF and Topic Maps. - Edgar R. Weippl; Markus D. Klemen; Stefan Fenz; Andreas Ekelhart; A Min Tjoa (ODBIS, 2006)

Ontology-Based Business Knowledge for Simulating Threats to Corporate Assets. - Andreas Ekelhart; Stefan Fenz; Markus D. Klemen; A Min Tjoa; Edgar R. Weippl (PAKM, 2006)

Security Ontologies: Improving Quantitative Risk Analysis. - Andreas Ekelhart; Stefan Fenz; Markus D. Klemen; Edgar R. Weippl (HICSS, 2007)

Architectural approach for handling semi-structured data in a user-centred working environment. - Andreas Ekelhart; Stefan Fenz; Gernot Goluch; Markus D. Klemen; Edgar R. Weippl (Int. J. Web Inf. Syst., 2007)

Improving Storage Concepts for Semantic Models and Ontologies. - Edgar R. Weippl; Markus D. Klemen; Stefan Raffeiner (Database Technologies: Concepts, Methodologies, Tools, and Applications, 2009)

Hidden Price of User Authentication: Cost Analysis and Stakeholder Motivation. - Ludwig Meyer; Martin Auer; Markus D. Klemen; Stefan Biffl (ARES, 2011)