Evaluating eGovernment in the Large - A Requirements Oriented Approach. - Thomas Matheis; Jörg Ziemann; Daniel M. Schmidt; Maria Wimmer 001; Peter Loos (AMCIS, 2008)

Gathering requirements for eGovernment in the large - Conceptual framework and exemplary application. - Thomas Matheis; Jörg Ziemann; Daniel M. Schmidt; Maria Wimmer 001; Peter Loos (Multikonferenz Wirtschaftsinformatik, 2008)

Requirements Based Evaluation of eGovernment in the Large. - Thomas Matheis; Jörg Ziemann; Peter Loos; Daniel M. Schmidt; Maria Wimmer 001 (Int. J. Electron. Gov. Res., 2009)

Ensuring Sustainable Operation in Complex Environment: the Peppol Project and its VCD System. - Ansgar Mondorf; Daniel M. Schmidt; Maria A. Wimmer (MCIS, 2010)