Christian Ullrich

According to our database, Christian Ullrich authored at least 13 papers between 2000 and 2019.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2019

Exploring the Benefits of Holographic Mixed Reality for Preoperative Planning with 3D Medical Images.

Marcus Mast, Ina Kaup, Sebastian Krüger, Christian Ullrich, Robert Schneider, Susanne Bay

Proceedings of the Mensch und Computer 2019, 2019

2015

A hybrid approach for simultaneous obstacle avoidance and stabilization of dynamic bipedal walking using the aldebaran nao robot.

Christian Ullrich, Sergiu Dotenco, Florian Gallwitz

Proceedings of the 15th International Conference on Innovations for Community Services, 2015

2014

Determining the Business Value of Volume Flexibility for Service Providers - a Real options Approach.

Carsten Klaus, Felix Krause, Christian Ullrich

Proceedings of the 22st European Conference on Information Systems, 2014

Estimation accuracy in Large is Programs - Insights from a Descriptive Case Study.

Marcus Kaiser, Christian Ullrich

Proceedings of the 22st European Conference on Information Systems, 2014

2013

Bewertung von IT-Investitionen mit dem Realoptionsansatz.

Christian Ullrich

Wirtschaftsinf., 2013

Valuation of IT Investments Using Real Options Theory.

Christian Ullrich

Bus. Inf. Syst. Eng., 2013

2010

Valuating Business Process Flexibility achieved through an Alternative Execution Path.

Kathrin Susanne Braunwarth, Christian Ullrich

Proceedings of the 18th European Conference on Information Systems, 2010

2009

Forecasting and Hedging in the Foreign Exchange Markets

Christian Ullrich

PhD thesis, 2009

A real options approach for valuating intertemporal interdependencies within a value-based IT portfolio management - A risk-return perspective.

Dennis Diepold, Christian Ullrich, Alexander Wehrmann, Steffen Zimmermann

Proceedings of the 17th European Conference on Information Systems, 2009

2006

Foreign Exchange Trading with Support Vector Machines.

Christian Ullrich, Detlef Seese, Stephan K. Chalup

Proceedings of the Advances in Data Analysis, 2006

2005

Entwicklung von Experimentierumgebungen für den Erwerb von Problemlösefähigkeit.

Christian Ullrich, Otto K. Ferstl

Proceedings of the Wirtschaftsinformatik 2005: eEconomy, eGovernment, eSociety, 7. Internationale Tagung Wirtschaftsinformatik 2005, Bamberg, 23.2.2005, 2005

2004

Eine MultiView-Benutzungsoberfläche für integrierte Lernumgebungen.

Otto K. Ferstl, Christian Ullrich

Proceedings of the DeLFI 2004: Die e-Learning Fachtagung Informatik, 2004

2000

Funktionen und Architektur einer Internet-Lernumgebung für individuelles und kooperatives Lernen.

Otto K. Ferstl, Karsten Hahn, Klaus Schmitz, Christian Ullrich

Proceedings of the Vernetztes Lernen mit digitalen Medien, 2000