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Academic Visitors Presentations – Wed. 27 February

After a successful seminar with our three academic visitors, on Wed. 27 February, you can find the abstracts and the presentations of their talks here.

Prof Christian Freksa, Cognitive Systems, University of Bremen, Germany

The power of space and time – spatial and temporal structures can replace computational effort

Abstract: Spatial structures determine the ways we perceive our environment and the ways we act in it in important ways. Spatial structures also determine the ways we think about our environment and how we solve spatial problems abstractly. When we use graphics to visualize certain aspects of spatial and non-spatial entities, we exploit the power of spatial structures to better understand important relationships. We also are able to imagine spatial structures and to apply mental operations to them. Similarly, the structure of time determines the course of events in cognitive processing. In my talk I will present knowledge representation research in spatial cognition. I will demonstrate the power of spatial structures in comparison to formal descriptions that are conventionally used for spatial problem solving in computer science. I suggest that spatial and temporal structures can be exploited for the design of powerful ‘spatial computers’. I will show that spatial computers can be particularly suitable and efficient for spatio-temporal problem solving but may also be used for abstract problem solving in non-spatial domains.

Presentation here.


Prof Antonio Krüger, German Center for Artificial Intelligence and Saarland University, Germany

Intelligent User Interfaces for Instrumented (Retail) Environments

Abstract: In the Innovative Retail Laboratory (IRL) we develop and conduct tests in a large number of different fields all connected to intelligent shopping consultants. The IRL is an application-oriented research laboratory of the German Research Center for Artificial Intelligence (DFKI), which was installed in the head office of the German chain store GLOBUS SB-Warenhaus Holding in St. Wendel. One part of this research is the development of intelligent user interfaces in such an instrumented retail environment. In this talk I would like to highlight a few examples for various types of User Interfaces ranging from mobile AR applications to instrument shopping trolleys. More: The talk concludes with some further examples from recent HCI Research conducted at DFKI.

Presentation here.


Prof Sabine Timpf, Geoinformatics, University of Augsburg, Germany

Modeling spatial behavior for agent-based simulations

Abstract: Humans constantly interact with geo-space. Understanding how this interaction with and in geo-space works is crucial for the development of subtle assistive technology. In my talk I will report on our efforts to model human-environment interaction using affordances, activity theory and agent-based simulation.

Presentation here.

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