Thomas Barkowsky, John A. Bateman, Christian Freksa, Wolfram Burgard, Markus Knauff. Transregional Collaborative Research Center SFB/TR 8 Spatial Cognition: Reasoning, Action, Interaction (Sonderforschungsbereich/Transregio SFB/TR 8 Raumkognition: Schließen, Handeln, Interagieren). it - Information Technology, 47(3):163-171, 2005. [doi]
Abstract is missing.