• Gradl, Stephan; Mayer, Manuel; Hensel, Matthias; Danciu, Alexandru; Krcmar, Helmut: SAP - Systemadministration - 100 Tipps & Tricks. SAP Press, 2012 mehr…
• Lichtinger, Bernhard; Wiesche, Manuel; Gradl, Stephan; Krcmar, Helmut: Automatische Prozesskontrollen als Wegbereiter für eine nachhaltige Unternehmenstransparenz am Beispiel von SAP GRC Process Control 10.0. Lehrstuhls für Wirtschaftsinformatik Technische Universität München, 2011, mehr…
• Mayer, Manuel; Gradl, Stephan; Schreiber, Veronika; Wittges, Holger; Krcmar, Helmut: A Survey on Performance Modelling and Simulation of SAP Enterprise Resource Planning Systems. The 10th International Conference on Modeling and Applied Simulation, Diptem Università di Genoa, 2011Rome, Italy mehr…
• Gradl, Stephan; Mayer, Manuel; Danciu, Alexandru; Escrihuela, Ramon; Wittges, Holger; Krcmar, Helmut: Measuring the Buffer Occupation of SAP ERP System Applications. ICEIS 2011 - Proceedings of the 13th International Conference on Enterprise Information Systems, SciTePress, 2011Beijing, China mehr…
• Gradl, Stephan; Mayer, Manuel; Danciu, Alexandru; Wittges, Holger; Krcmar, Helmut: Understanding the Performance Behavior of a SAP ERP System for the Use of Queuing Models. Proceedings of the 10th International Conference on Modeling and Applied Simulation, MAS 2011, Università di Genova, Genoa, 2011Rende, Italy mehr…
• Tertilt, Daniel; Leimeister, Stefanie; Gradl, Stephan; Mayer, Manuel; Krcmar, Helmut: Towards an evolutionary model generation for ERP performance simulation. IADIS International Conference on Intelligent Systems and Agents (ISA) 2010, 2010Freiburg, Germany mehr…
• Gradl, Stephan; Mayer, Manuel; Wittges, Holger; Krcmar, Helmut: Modeling ERP Business Processes Using Layered Queueing Networks. 12th International Conference on Enterprise Information Systems, INSTICC, 2010Funchal, Portugal mehr…
• Bögelsack, Andr'e; Gradl, Stephan; Mayer, Manuel; Krcmar, Helmut: SAP MaxDB Administration. Galileo Press, 2009 mehr…
• Gradl, Stephan; Bögelsack, Andr'e; Wittges, Holger; Krcmar, Helmut: Layered Queuing Networks For Simulating Enterprise Resource Planning Systems. 7th MSVVEIS, INSTICC, 2009Milano, Italy mehr…
• Bögelsack, Andr'e; Gradl, Stephan; Mayer, Manuel; Krcmar, Helmut: SAP MaxDB-Administration. Galileo Press, 2008 mehr…