Towards a Theory of Knowledge Representation Systems. - Ulrich Furbach; Gerhard Dirlich; Christian Freksa (AIMSA, 1984)

Cognition and Representation - An Overview of Knowledge Reprensentation Issues in Cognitive Science. - Christian Freksa; Ulrich Furbach; Gerhard Dirlich (GWAI, 1984)

Computerunterstützte Planung von Ferienreisen ein fiktiven Beispiel. - Gerhard Dirlich; Helmut von Benda; Christian Freksa; Ulrich Furbach; Albrecht Müller; Klaus Wimmer 001 (Kognitive Aspekte der Mensch-Computer-Interaktion, 1984)

An Approach to Structuring and Formalizing Knowledge for a Design Support System. - Nur Erol; Christian Freksa (AIMSA, 1986)

Intrinsische vs. extrinsische Repräsentation zum Aufgabenlösen oder die Verwandlung von Wasser in Wein. - Christian Freksa (Wissensarten und ihre Darstellung, 1986)

Spezielle Sektion: Kognition - Wissensstrukturen beim Aufgabenlösen. - Christian Freksa (GWAI, 1987)

Mit welchen Themen soll sich die KI auseinandersetzen? - Christian Freksa (GWAI, 1988)

Cognitive science - eine Standortbestimmung - Christian Freksa (Forschungsberichte, TU Munich, 1988)

Intrinsische vs. extrinsische Repraesentation zum Aufgabenloesen oder die Verwandlung von Wasser in Wein - Christian Freksa (Forschungsberichte, TU Munich, 1988)

Wissensrepräsentation in künstlichen symbolverarbeitenden Systemen - Ulrich Furbach; Christian Freksa; Gerhard Dirlich (Forschungsberichte, TU Munich, 1988)

Wissensdarstellung und Kognitionsforschung. - Christian Freksa (it Inf. Technol., 1989)

Warum interessiert sich die Kognitionsforschung für die Darstellung räumlichen Wissens? - Christian Freksa; Christopher Habel (Repräsentation und Verarbeitung räumlichen Wissens, 1990)

Qualitative spatial reasoning - Christian Freksa (Forschungsberichte, TU Munich, 1990)

Conceptual neighborhood and its role in temporal and spatial reasoning - Christian Freksa (Forschungsberichte, TU Munich, 1991)

Using Orientation Information for Qualitative Spatial Reasoning. - Christian Freksa (Spatio-Temporal Reasoning, 1992)

Temporal Reasoning Based on Semi-Intervals. - Christian Freksa (Artif. Intell., 1992)

Über den Unterschied zwischen logik-basierten und logischen Ansätzen zur Wissensrepräsentation. - Christian Freksa (Künstliche Intell., 1992)

Fuzzy Logic and AI. - John Yen; Piero P. Bonissone; Didier Dubois; Christian Freksa; Ramón López de Mántaras; Enrique H. Ruspini; Lotfi A. Zadeh (IJCAI, 1993)

Qualitatives räumliches Schließen mit Wissen über Richtungen, Entfernungen und Pfade. - Kai Zimmermann; Christian Freksa (Künstliche Intell., 1993)

Responses to Elkan (Christian Freksa). - Christian Freksa (IEEE Expert, 1994)

Qualitative Spatial Reasoning Using Orientation, Distance, and Path Knowledge. - Kai Zimmermann; Christian Freksa (Appl. Intell., 1996)

Spatial and Temporal Structures in Cognitive Processes. - Christian Freksa (Foundations of Computer Science: Potential - Theory - Cognition, 1997)

Cognitive Requirements on Making and Interpreting Maps. - Thomas Barkowsky; Christian Freksa (COSIT, 1997)

Spatial Cognition: The Role of Landmark, Route, and Survey Knowledge in Human and Robot Navigation. - Steffen Werner; Bernd Krieg-Brückner; Hanspeter A. Mallot; Karin Schweizer; Christian Freksa (GI Jahrestagung, 1997)

Spatial Representation with Aspect Maps. - Bettina Berendt; Thomas Barkowsky; Christian Freksa; Stephanie Kelter (Spatial Cognition, 1998)

Cognitive models of geographical space. - David M. Mark; Christian Freksa; Stephen C. Hirtle; Robert Lloyd; Barbara Tversky (Int. J. Geogr. Inf. Sci., 1999)

Schematic Maps as Wayfinding Aids. - Hernan Casakin; Thomas Barkowsky; Alexander Klippel; Christian Freksa (Spatial Cognition, 2000)

Schematic Maps for Robot Navigation. - Christian Freksa; Reinhard Moratz; Thomas Barkowsky (Spatial Cognition, 2000)

Recognition of Abstract Regions in Cartographic Maps. - Joe Heike Steinhauer; Tom Wiese; Christian Freksa; Thomas Barkowsky (COSIT, 2001)

Interview with Prof. Lotfi A. Zadeh. - Christian Freksa; Rudolf Kruse; Ramón López de Mántaras (Künstliche Intell., 2001)

Spatial Cognition: From Rat-Research to Multifunctional Spatial Assistance Systems. - Markus Knauff; Christoph Schlieder; Christian Freksa (Künstliche Intell., 2002)

Qualitative Spatial Reasoning about Relative Position: The Tradeoff between Strong Formal Properties and Successful Reasoning about Route Graphs. - Reinhard Moratz; Bernhard Nebel; Christian Freksa (Spatial Cognition, 2003)

Spatial Cognition: An AI Perspective. - Christian Freksa (ECAI, 2004)

Perceptually Induced Distortions in Cognitive Maps. - Alexander Klippel; Lothar Knuf; Bernhard Hommel; Christian Freksa (Spatial Cognition, 2004)

Organizing Committee. - Thomas Barkowsky; Christian Freksa; Mary Hegarty; Ric K. Lowe (AAAI Spring Symposium: Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance, 2005)

Preface: Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance. - Thomas Barkowsky; Christian Freksa; Mary Hegarty; Ric K. Lowe (AAAI Spring Symposium: Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance, 2005)

05491 Abstracts Collection – Spatial Cognition: Specialization and Integration. - Anthony G. Cohn 001; Christian Freksa; Bernhard Nebel (Spatial Cognition: Specialization and Integration, 2005)

05491 Executive Summary – Spatial Cognition: Specialization and Integration. - Christian Freksa (Spatial Cognition: Specialization and Integration, 2005)

A Cognitive Perspective on Spatial Context. - Christian Freksa; Alexander Klippel; Stephan Winter 001 (Spatial Cognition: Specialization and Integration, 2005)

Raumkognition aus der Perspektive der KI. - Christian Freksa; Thomas Barkowsky (GI Jahrestagung (2), 2005)

Reports on the 2005 AAAI Spring Symposium Series. - Michael L. Anderson; Thomas Barkowsky; Pauline Berry; Douglas S. Blank; Timothy Chklovski; Pedro M. Domingos; Marek J. Druzdzel; Christian Freksa; John Gersh; Mary Hegarty; Tze-Yun Leong; Henry Lieberman; et al. (AI Mag., 2005)

Transregional Collaborative Research Center SFB/TR 8 Spatial Cognition: Reasoning, Action, Interaction (Sonderforschungsbereich/Transregio SFB/TR 8 Raumkognition: Schließen, Handeln, Interagieren). - Thomas Barkowsky; John A. Bateman; Christian Freksa; Wolfram Burgard; Markus Knauff (it Inf. Technol., 2005)

Special Issue: "Spatial and Visual Components in Mental Reasoning About Space" Editorial. - Thomas Barkowsky; Christian Freksa; Markus Knauff (Spatial Cogn. Comput., 2005)

Qualitative Spatial Representation and Reasoning in the SparQ-Toolbox. - Jan Oliver Wallgrün; Lutz Frommberger; Diedrich Wolter; Frank Dylla; Christian Freksa (Spatial Cognition, 2006)

Eye movements and smart technology. - Christian Freksa; Sven Bertel (Comput. Biol. Medicine, 2007)

Region-Based Representation for Assistance with Spatio-Temporal Planning in Unfamiliar Environments. - Inessa Seifert; Thomas Barkowsky; Christian Freksa (Location Based Services and TeleCartography, 2007)

Spatial Cognition: Agents between Sensation and Reality. - Christian Freksa (WETICE, 2008)

SailAway: Spatial Cognition in Sea Navigation. - Diedrich Wolter; Frank Dylla; Stefan Wölfl 001; Jan Oliver Wallgrün; Lutz Frommberger; Bernhard Nebel; Christian Freksa (Künstliche Intell., 2008)

Towards a Generalization of Self-localization. - Diedrich Wolter; Christian Freksa; Longin Jan Latecki (Robotics and Cognitive Approaches to Spatial Mapping, 2008)

Spatial Cognition: Reasoning, Action, Interaction. - Christian Freksa; Holger Schultheis; Kerstin Schill; Thora Tenbrink; Thomas Barkowsky; Christoph Hölscher; Bernhard Nebel (Künstliche Intell., 2010)

On Process Recognition by Logical Inference. - Arne Kreutzmann; Immo Colonius; Lutz Frommberger; Frank Dylla; Christian Freksa; Diedrich Wolter (ECMR, 2011)

AI Approaches to Cognitive Systems - The Example of Spatial Cognition. - Bernhard Nebel; Christian Freksa (Inform. Spektrum, 2011)

Approaching the notion of place by contrast. - Stephan Winter 001; Christian Freksa (J. Spatial Inf. Sci., 2012)

Towards Computational Cognitive Modeling of Mental Imagery - The Attention-Based Quantification Theory. - Jan Frederik Sima; Christian Freksa (Künstliche Intell., 2012)

Rotunde - A Smart Meeting Cinematography Initiative - Tools, Datasets, and Benchmarks for Cognitive Interpretation and Control. - Mehul Bhatt; Jakob Suchan; Christian Freksa (AAAI Workshop: Space, Time, and Ambient Intelligence, 2013)

What You See is What You Map: Geometry-Preserving Micro-Mapping for Smaller Geographic Objects with mapIT. - Falko Schmid; Lutz Frommberger; Chunyuan Cai; Christian Freksa (AGILE Conf., 2013)

The Power of Space and Time - How Spatial and Temporal Structures Can Replace Computational Effort. - Christian Freksa (AIC@AI*IA, 2013)

Fuzzy Relations and Cognitive Representations. - Christian Freksa (On Fuzziness (1), 2013)

The Power of Space and Time. - Christian Freksa (KIK@KI, 2013)

Understanding Cognition through Synthesis and Analysis. - Christian Freksa (Int. J. Softw. Informatics, 2013)

Temporal logic for process specification and recognition. - Arne Kreutzmann; Immo Colonius; Diedrich Wolter; Frank Dylla; Lutz Frommberger; Christian Freksa (Intell. Serv. Robotics, 2013)

The SOCIAL Project - Approaching Spontaneous Communication in Distributed Work Groups. - Jasper van de Ven; Dimitra Anastasiou; Frank Dylla; Susanne Boll; Christian Freksa (AmI, 2015)

Strong Spatial Cognition. - Christian Freksa (COSIT, 2015)

Computational Problem Solving in Spatial Substrates - A Cognitive Systems Engineering Approach. - Christian Freksa (Int. J. Softw. Informatics, 2015)

Relating Strong Spatial Cognition to Symbolic Problem Solving - An Example. - Ulrich Furbach; Florian Furbach; Christian Freksa (Bridging@IJCAI, 2016)

Cognitive Space and Spatial Cognition: The SFB/TR 8 Spatial Cognition. - Marco Ragni; Thomas Barkowsky; Bernhard Nebel; Christian Freksa (Künstliche Intell., 2016)

Experience with the Mobile4D Disaster Reporting and Alerting System in Lao PDR. - Ahmed Loai Ali; Jasper van de Ven; Thatheva Saphangthong; Christian Freksa; Thomas Barkowsky; Sithong Thongmanivong; Houngphet Chanthavong; Peter Haddawy (ICT4D, 2017)

Spatial Problem Solving in Spatial Structures. - Christian Freksa; Ana-Maria Olteteanu; Thomas Barkowsky; Jasper van de Ven; Holger Schultheis (MIWAI, 2017)

Mild Abstraction in Spatial Problem Solving. - Christian Freksa (CCIA, 2018)

Analyzing Strong Spatial Cognition: A Modeling Approach. - Jasper van de Ven; Munehiro Fukuda; Holger Schultheis; Christian Freksa; Thomas Barkowsky (Spatial Cognition, 2018)

Translation of String-and-Pin-based Shortest Path Construction into Data-Scalable Agent-based Computational Models. - Yun-Ming Shih; Collin Gordon; Munehiro Fukuda; Jasper van de Ven; Christian Freksa (WSC, 2018)

Formal representation of qualitative direction. - Christian Freksa; Jasper van de Ven; Diedrich Wolter (Int. J. Geogr. Inf. Sci., 2018)

Artificial Cognitive Systems That Can Answer Human Creativity Tests: An Approach and Two Case Studies. - Ana-Maria Olteteanu; Zoe Falomir; Christian Freksa (IEEE Trans. Cogn. Dev. Syst., 2018)

Geometric problem solving with strings and pins. - Christian Freksa; Thomas Barkowsky; Zoe Falomir; Jasper van de Ven (Spatial Cogn. Comput., 2019)

Dynamic Problem Solving in Space. - Christian Freksa; Maria Vasardani; Felix Kroll (Spatial Cognition, 2020)

Beyond spatial reasoning: Challenges for ecological problem solving. - Christian Freksa (J. Spatial Inf. Sci., 2020)

Extracting invariant characteristics of sketch maps: Towards place query-by-sketch. - Ming Tang; Zoe Falomir; Christian Freksa; Yehua Sheng; Haiyang Lyu (Trans. GIS, 2020)