These web pages are intended to give you an overview on
my professional activities. Please use the toolbar on the left to
inform yourself about my research focus and current activities.
Students may find information on my actual and past courses (including material)
and available thesis topics. Also, most of my publications can be accessed through
the corresponding link.
Since April 1st 2009, I am a professor for computer science at Saarland University and the scientific director of the Innovative Retail Laboratory (IRL) at the German Research Center for AI (DFKI). Until then I have been a professor and the managing director at the Institute for Geoinformatics (ifgi) at the University of Münster. My
main research interests are mobile and Ubiquitous Spatial Assistance
Systems, combining the research fields of Intelligent User Interfaces,
User Modelling, Cognitive Sciences, and Ubiquitous Computing.
More information on the projects we
are currently working on can be found here.