Analysing Requirements for Virtual Business Alliances - The Case of SPIKE. - Christian Broser; Christoph Fritsch; Oliver Gmelch; Günther Pernul; Rolf Schillinger; Sandra Wiesbeck (DigiBiz, 2009)

Towards Information Security Management in Collaborative Networks. - Christian Broser; Christoph Fritsch; Oliver Gmelch (DEXA Workshops, 2010)

Preventing Malicious Portlets from Communicating and Intercepting in Collaboration Portals. - Oliver Gmelch; Günther Pernul (SECRYPT, 2010)

A portal-based approach for user-centric legacy application integration in collaborative environments. - Oliver Gmelch; Günther Pernul (Wirtschaftsinformatik, 2011)

A Generic Architecture for User-Centric Portlet Integration. - Oliver Gmelch; Günther Pernul (CEC, 2012)