• Wollersheim, Jan; Pfaff, Matthias; Krcmar, Helmut: Information Need in Cloud Service Procurement? An Exploratory Case Study. In: Hepp, Martin; Hoffner, Yigal (Ed.): E-Commerce and Web Technologies. Springer International Publishing, 2014 more…
• Wollersheim, Jan; Krcmar, Helmut: Quality analysis approaches for cloud services - Towards a framework along the customer's activity cycle. In: Krcmar, Helmut; Reussner, Ralf; Rumpe, Bernhard (Ed.): Trusted Cloud Computing. Springer, 2014 more…
• Wollersheim, Jan; Pfaff, Matthias; Krcmar, Helmut: Information Need in Cloud Service Procurement ? An Exploratory Case Study. International Conference on Electronic Commerce and Web Technologies (EC-Web), Springer International Publishing, 2014Munich, Germany more…
• Wollersheim, Jan; Teufl, Sabine; Hoberg, Patrick; Wolf, Petra; Krcmar, Helmut: Mechanisms to gather customer-feedback - Requirements in the cloud service ecosystem. Proceedings of the European Workshop on Software Ecosystems (EWSECO)2012, Books on demand, 2013Walldorf, Germany more…
• Wollersheim, Jan; Hoberg, Patrick; Krcmar, Helmut: How to specify cloud service demand - An approach recognizing planned application. ConLife Academics 2013, 2013Berlin, Germany more…
• Wollersheim, Jan; Krcmar, Helmut: Purchasing processes for cloud services. 22nd Annual IPSERA Conference, 2013Nantes, France more…
• Wollersheim, Jan; Hoberg, Patrick; Krcmar, Helmut: Procurement of Cloud Services - Seven Principles to Success. Proceedings of the QUIS13 International Research Symposium on Service Excellence in Management Service, CTF, Service Research Center, Karlstad University, Sweden, 2013Karlstad, Sweden more…
• Hoberg, Patrick; Wollersheim, Jan; Krcmar, Helmut: Value4Cloud - The 2013 Project Coordinator's View on a Project that Creates Trust in the Complex World of the Cloud. Workshop - Wissenschaftliche Ergebnisse der Trusted Cloud Initiative, 2013Karlsruhe, Germany more…
• Wollersheim, Jan; Krcmar, Helmut: Quality analysis approaches for cloud services - Towards a framework along customer's activity cycle. Workshop Wissenschaftliche Ergebnisse der Trusted Cloud Initiative, 2013Karlsruhe, Germany more…
• Wollersheim, Jan; Konstantinidis, Christos; Krcmar, Helmut: Sicherheitskriterien bei der Auswahl von ERP-Systemen. ERP-Management 8, 2012, S. 50-52 more…
• Ziaie, Pujan; Ziller, Markus; Wollersheim, Jan; Krcmar, Helmut: Introducing a Generic Concept for an Online IT-Benchmarking System. International Journal of Computer Information Systems and Industrial Management Applications 5, 2012, S. 137–150 more…
• Hoberg, Patrick; Wollersheim, Jan; Krcmar, Helmut: Service Descriptions for Cloud Services - The Customer's Perspective. ConLife Academic Conference, 2012Cologne, Germany more…
• Hoberg, Patrick; Wollersheim, Jan; Böhm, Markus; Krcmar, Helmut: Cloud Computing - Überblick und Herausforderungen für das Controlling. Controlling, Zeitschrift für erfolgsorientierte Unternehmenssteuerung 24, 2012, S. 294-300 more…
• Hoberg, Patrick; Wollersheim, Jan; Krcmar, Helmut: The Business Perspective on Cloud Computing - A Literature Review of Research on Cloud Computing. Americas Conference on Information Systems (AMCIS), 2012Seattle, USA more…
• Ziaie, Pujan; Wollersheim, Jan; Krcmar, Helmut: Introducing Software Design Elements for IT-Benchmarking Purposes. Proceedings of the 7th International Conference on Next Generation Web Services Practices (NWeSP), IEEE, 2011Salamanca, Spain more…