All publications sorted by recency

Thomas Barkowsky, Ralf Röhrig and Christian Freksa, Operationalizing diagrammaticity, ECAI-96 Workshop on Representations and processes between vision and natural language, Budapest, 1996
Christian Freksa and Thomas Barkowsky, On the relation between spatial concepts and geographic objects, in: Geographic objects with indeterminate boundaries, pages 109-121, Taylor and Francis, London, 1996
Christian Freksa and Bettina Berendt, Time and space in cognitive systems, European Conference on Cognitive Science, Saint-Malo, 1995
Thomas Barkowsky, Bettina Berendt, Steffen Egner, Christian Freksa, Longin Jan Latecki and Ralf Röhrig, Qualitative orientation and navigation using purposive vision, Graduiertenkolleg Kognitionswissenschaft, Universität Hamburg, number Arbeitspapier Nr. 25, 1995
Christian Freksa, Fuzzy systems in AI: An overview, in: Fuzzy systems in computer science, pages 155-169, Vieweg, Braunschweig/Wiesbaden, 1994
Thomas Barkowsky, Bettina Berendt, Steffen Egner, Christian Freksa, Thiemo Krink, Ralf Röhrig and Antje Wulf, The Realator: how to construct reality, ECAI’94 Workshop W12 Spatial and temporal reasoning, Amsterdam, 1994
Ralf Röhrig and Christian Freksa, A framework for comparing theories for qualitative spatial reasoning, in: Spatial and temporal reasoning, AAAI Workshop Seattle, 1994
Ralf Röhrig and Christian Freksa, Dimensions of qualitative spatial reasoning, in: Qualitative reasoning and decision technologies, pages 483-492, CIMNE, Barcelona, 1993
John Yen, Piero Bonissone, Didier Dubois, Henri Prade, Christian Freksa, Enrique H. Ruspini, Ramon López de Mántaras and Lotfi A. Zadeh, Fuzzy Logic and AI, Thirteenth International Joint Conference on Artificial Intelligence IJCAI-93, Chambéry, France, 28 Aug-3 Sep 1993, pages 1673-1676, 1993
Kai Zimmermann and Christian Freksa, Enhancing spatial reasoning by the concept of motion, in: Prospects for Artificial Intelligence, pages 140-147, Amsterdam: IOS-Press, 1993
Marco Homann, Rolf Sander, Carsten Wiegand, Antje Wulf, Kai Zimmermann and Christian Freksa, Orientation-based qualitative spatial reasoning, ECAI ’92 Workshop Spatial Concepts: Connecting cognitive theories with formal representations, Vienna 1992, 1992
Christian Freksa and Kai Zimmermann, On the utilization of spatial structures for cognitively plausible and efficient reasoning, Proc. of the Workshop on Spatial and temporal reasoning, IJCAI’93, Chambery 1993, pages 61-66, 1993
  • []: Auch erschienen in: SMC’92 – 1992 IEEE Intern. Conf. Systems Man and Cybernetics, 261-266, Chicago 1992. Reprinted in Anger FD, Güsgen HW, v.Benthem J
Christian Freksa and Kai Zimmermann, On the utilization of spatial structures for cognitively plausible and efficient reasoning, SMC’92–1992 IEEE Intern. Conf. Systems Man and Cybernetics, Chicago, pages 261-266, 1992
  • []: Reprinted in Anger FD, Güsgen HW, v.Benthem J, eds, Proc. of the Workshop on Spatial and temporal reasoning, IJCAI’93, 61-66, Chambery 1993.
Andrew M. Lovett and Holger Schultheis, Modeling Spatial Abstraction during Mental Rotation, in: Proceedings of the 36th annual conference of the Cognitive Science Society, Austin, TX, pages 886 -- 891, Cognitive Science Society, 2014
Holger Schultheis and Praneeth Naidu, Multi-Model Comparison Using the Cross-Fitting Method, in: Proceedings of the 36th annual meeting of the Cognitive Science Society, Austin, TX, pages 1389 -- 1394, Cognitive Science Society, 2014