Christian Ullrich

14 papers C 1Journal 2Unranked 9
YearRankTypeTitle / Venue / Authors
2019 — conf
Exploring the Benefits of Holographic Mixed Reality for Preoperative Planning with 3D Medical Images.
MuC (Workshopband)
Marcus Mast, Ina Kaup, Sebastian Krüger, Christian Ullrich, Robert Schneider, Susanne Bay
2015 C conf
A hybrid approach for simultaneous obstacle avoidance and stabilization of dynamic bipedal walking using the aldebaran nao robot.
I4CS
Christian Ullrich, Sergiu Dotenco, Florian Gallwitz
2014 — conf
Determining the Business Value of Volume Flexibility for Service Providers - a Real options Approach.
ECIS
Carsten Klaus, Felix Krause, Christian Ullrich
2014 — conf
Estimation accuracy in Large is Programs - Insights from a Descriptive Case Study.
ECIS
Marcus Kaiser, Christian Ullrich
2013 J jnl
Bewertung von IT-Investitionen mit dem Realoptionsansatz.
Wirtschaftsinf.
Christian Ullrich
2013 J jnl
Valuation of IT Investments Using Real Options Theory.
Bus. Inf. Syst. Eng.
Christian Ullrich
2010 — conf
Valuating Business Process Flexibility achieved through an Alternative Execution Path.
ECIS
Kathrin Susanne Braunwarth, Christian Ullrich
2009 — conf
A real options approach for valuating intertemporal interdependencies within a value-based IT portfolio management - A risk-return perspective.
ECIS
Dennis Diepold, Christian Ullrich, Alexander Wehrmann, Steffen Zimmermann
2009 — —
Forecasting and Hedging in the Foreign Exchange Markets
Christian Ullrich
2006 — conf
Foreign Exchange Trading with Support Vector Machines.
GfKl
Christian Ullrich, Detlef Seese, Stephan K. Chalup
2005 — conf
Entwicklung von Experimentierumgebungen für den Erwerb von Problemlösefähigkeit.
Wirtschaftsinformatik
Christian Ullrich, Otto K. Ferstl
2004 — conf
Eine MultiView-Benutzungsoberfläche für integrierte Lernumgebungen.
DeLFI
Otto K. Ferstl, Christian Ullrich
2000 — conf
Funktionen und Architektur einer Internet-Lernumgebung für individuelles und kooperatives Lernen.
D-CSCL
Otto K. Ferstl, Karsten Hahn, Klaus Schmitz, Christian Ullrich
1990 — book
Computer Arithmetic and Self-Validating Numerical Methods
Christian Ullrich