Christian Freksa

According to our database, Christian Freksa authored at least 77 papers between 1984 and 2020.

Collaborative distances:

• Dijkstra number of three.
• Erdős number of three.

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

Beyond spatial reasoning: Challenges for ecological problem solving.

Christian Freksa

J. Spatial Inf. Sci., 2020

Dynamic Problem Solving in Space.

Christian Freksa, Maria Vasardani, Felix Kroll

Proceedings of the Spatial Cognition XII - 12th International Conference, 2020

2019

Geometric problem solving with strings and pins.

Christian Freksa, Thomas Barkowsky, Zoe Falomir, Jasper van de Ven

Spatial Cogn. Comput., 2019

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

Formal representation of qualitative direction.

Christian Freksa, Jasper van de Ven, Diedrich Wolter

Int. J. Geogr. Inf. Sci., 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

Proceedings of the 2018 Winter Simulation Conference, 2018

Analyzing Strong Spatial Cognition: A Modeling Approach.

Jasper van de Ven, Munehiro Fukuda, Holger Schultheis, Christian Freksa, Thomas Barkowsky

Proceedings of the Spatial Cognition XI, 2018

Mild Abstraction in Spatial Problem Solving.

Christian Freksa

Proceedings of the Artificial Intelligence Research and Development, 2018

2017

Spatial Problem Solving in Spatial Structures.

Christian Freksa, Ana-Maria Olteteanu, Thomas Barkowsky, Jasper van de Ven, Holger Schultheis

Proceedings of the Multi-disciplinary Trends in Artificial Intelligence, 2017

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

Proceedings of the Information and Communication Technologies for Development, 2017

2016

Cognitive Space and Spatial Cognition: The SFB/TR 8 Spatial Cognition.

Marco Ragni, Thomas Barkowsky, Bernhard Nebel, Christian Freksa

Künstliche Intell., 2016

Relating Strong Spatial Cognition to Symbolic Problem Solving - An Example.

Ulrich Furbach, Florian Furbach, Christian Freksa

Proceedings of the Workshop on Bridging the Gap between Human and Automated Reasoning co-located with 25th International Joint Conference on Artificial Intelligence (IJCAI 2016), 2016

2015

Computational Problem Solving in Spatial Substrates - A Cognitive Systems Engineering Approach.

Christian Freksa

Int. J. Softw. Informatics, 2015

Strong Spatial Cognition.

Christian Freksa

Proceedings of the Spatial Information Theory - 12th International Conference, 2015

The SOCIAL Project - Approaching Spontaneous Communication in Distributed Work Groups.

Jasper van de Ven, Dimitra Anastasiou, Frank Dylla, Susanne Boll, Christian Freksa

Proceedings of the Ambient Intelligence - 12th European Conference, AmI 2015, 2015

2013

Temporal logic for process specification and recognition.

Arne Kreutzmann, Immo Colonius, Diedrich Wolter, Frank Dylla, Lutz Frommberger, Christian Freksa

Intell. Serv. Robotics, 2013

Understanding Cognition through Synthesis and Analysis.

Christian Freksa

Int. J. Softw. Informatics, 2013

The Power of Space and Time.

Christian Freksa

Proceedings of the KI 2013 Workshop on Visual and Spatial Cognition KIK, 2013

Fuzzy Relations and Cognitive Representations.

Christian Freksa

Proceedings of the On Fuzziness - A Homage to Lotfi A. Zadeh - Volume 1, 2013

The Power of Space and Time - How Spatial and Temporal Structures Can Replace Computational Effort.

Christian Freksa

Proceedings of the First International Workshop on Artificial Intelligence and Cognition (AIC 2013) An official workshop of the 13th International Conference of the Italian Association for Artificial Intelligence (AI*IA 2013), 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

Proceedings of the Geographic Information Science at the Heart of Europe, 2013

Rotunde - A Smart Meeting Cinematography Initiative - Tools, Datasets, and Benchmarks for Cognitive Interpretation and Control.

Mehul Bhatt, Jakob Suchan, Christian Freksa

Proceedings of the Space, 2013

2012

Towards Computational Cognitive Modeling of Mental Imagery - The Attention-Based Quantification Theory.

Jan Frederik Sima, Christian Freksa

Künstliche Intell., 2012

Approaching the notion of place by contrast.

Stephan Winter, Christian Freksa

J. Spatial Inf. Sci., 2012

2011

AI Approaches to Cognitive Systems - The Example of Spatial Cognition.

Bernhard Nebel, Christian Freksa

Inform. Spektrum, 2011

On Process Recognition by Logical Inference.

Arne Kreutzmann, Immo Colonius, Lutz Frommberger, Frank Dylla, Christian Freksa, Diedrich Wolter

Proceedings of the 5^th European Conference on Mobile Robots, 2011

2010

Spatial Cognition: Reasoning, Action, Interaction.

Christian Freksa, Holger Schultheis, Kerstin Schill, Thora Tenbrink, Thomas Barkowsky, Christoph Hölscher, Bernhard Nebel

Künstliche Intell., 2010

2008

Towards a Generalization of Self-localization.

Diedrich Wolter, Christian Freksa, Longin Jan Latecki

Proceedings of the Robotics and Cognitive Approaches to Spatial Mapping, 2008

SailAway: Spatial Cognition in Sea Navigation.

Diedrich Wolter, Frank Dylla, Stefan Wölfl, Jan Oliver Wallgrün, Lutz Frommberger, Bernhard Nebel, Christian Freksa

Künstliche Intell., 2008

Spatial Cognition: Agents between Sensation and Reality.

Christian Freksa

Proceedings of the 17th IEEE International Workshops on Enabling Technologies: Infrastructures for Collaborative Enterprises, 2008

2007

Region-Based Representation for Assistance with Spatio-Temporal Planning in Unfamiliar Environments.

Inessa Seifert, Thomas Barkowsky, Christian Freksa

Proceedings of the Location Based Services and TeleCartography, 2007

Eye movements and smart technology.

Christian Freksa, Sven Bertel

Comput. Biol. Medicine, 2007

2006

Qualitative Spatial Representation and Reasoning in the SparQ-Toolbox.

Jan Oliver Wallgrün, Lutz Frommberger, Diedrich Wolter, Frank Dylla, Christian Freksa

Proceedings of the Spatial Cognition V: Reasoning, 2006

2005

Special Issue: "Spatial and Visual Components in Mental Reasoning About Space" Editorial.

Thomas Barkowsky, Christian Freksa, Markus Knauff

Spatial Cogn. Comput., 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

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, Ric K. Lowe, Susann LuperFoy, Rada Mihalcea, Lisa Meeden, David P. Miller, Tim Oates, Robert L. Popp, Daniel G. Shapiro, Nathan Schurr, Push Singh, John Yen

AI Mag., 2005

Raumkognition aus der Perspektive der KI.

Christian Freksa, Thomas Barkowsky

Proceedings of the 35. Jahrestagung der Gesellschaft für Informatik, 2005

A Cognitive Perspective on Spatial Context.

Christian Freksa, Alexander Klippel, Stephan Winter

Proceedings of the Spatial Cognition: Specialization and Integration, 04.12. - 09.12.2005, 2005

05491 Executive Summary -- Spatial Cognition: Specialization and Integration.

Christian Freksa

Proceedings of the Spatial Cognition: Specialization and Integration, 04.12. - 09.12.2005, 2005

05491 Abstracts Collection -- Spatial Cognition: Specialization and Integration.

Anthony G. Cohn, Christian Freksa, Bernhard Nebel

Proceedings of the Spatial Cognition: Specialization and Integration, 04.12. - 09.12.2005, 2005

Preface: Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance.

Thomas Barkowsky, Christian Freksa, Mary Hegarty, Ric K. Lowe

Proceedings of the Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance, 2005

Organizing Committee.

Thomas Barkowsky, Christian Freksa, Mary Hegarty, Ric K. Lowe

Proceedings of the Reasoning with Mental and External Diagrams: Computational Modeling and Spatial Assistance, 2005

2004

Perceptually Induced Distortions in Cognitive Maps.

Alexander Klippel, Lothar Knuf, Bernhard Hommel, Christian Freksa

Proceedings of the Spatial Cognition IV: Reasoning, 2004

Spatial Cognition: An AI Perspective.

Christian Freksa

Proceedings of the 16th Eureopean Conference on Artificial Intelligence, 2004

2003

Qualitative Spatial Reasoning about Relative Position: The Tradeoff between Strong Formal Properties and Successful Reasoning about Route Graphs.

Reinhard Moratz, Bernhard Nebel, Christian Freksa

Proceedings of the Spatial Cognition III, Routes and Navigation, Human Memory and Learning, 2003

2002

Spatial Cognition: From Rat-Research to Multifunctional Spatial Assistance Systems.

Markus Knauff, Christoph Schlieder, Christian Freksa

Künstliche Intell., 2002

2001

Interview with Prof. Lotfi A. Zadeh.

Christian Freksa, Rudolf Kruse, Ramón López de Mántaras

Künstliche Intell., 2001

Recognition of Abstract Regions in Cartographic Maps.

Joe Heike Steinhauer, Tom Wiese, Christian Freksa, Thomas Barkowsky

Proceedings of the Spatial Information Theory: Foundations of Geographic Information Science, 2001

2000

Schematic Maps for Robot Navigation.

Christian Freksa, Reinhard Moratz, Thomas Barkowsky

Proceedings of the Spatial Cognition II, 2000

Schematic Maps as Wayfinding Aids.

Hernan Casakin, Thomas Barkowsky, Alexander Klippel, Christian Freksa

Proceedings of the Spatial Cognition II, 2000

1999

Cognitive models of geographical space.

David M. Mark, Christian Freksa, Stephen C. Hirtle, Robert Lloyd, Barbara Tversky

Int. J. Geogr. Inf. Sci., 1999

1998

Spatial Representation with Aspect Maps.

Bettina Berendt, Thomas Barkowsky, Christian Freksa, Stephanie Kelter

Proceedings of the Spatial Cognition, 1998

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

Proceedings of the Informatik '97, 1997

Cognitive Requirements on Making and Interpreting Maps.

Thomas Barkowsky, Christian Freksa

Proceedings of the Spatial Information Theory: A Theoretical Basis for GIS, 1997

Spatial and Temporal Structures in Cognitive Processes.

Christian Freksa

Proceedings of the Foundations of Computer Science: Potential - Theory, 1997

1996

Qualitative Spatial Reasoning Using Orientation, Distance, and Path Knowledge.

Kai Zimmermann, Christian Freksa

Appl. Intell., 1996

1994

Responses to Elkan (Christian Freksa).

Christian Freksa

IEEE Expert, 1994

1993

Qualitatives räumliches Schließen mit Wissen über Richtungen, Entfernungen und Pfade.

Kai Zimmermann, Christian Freksa

Künstliche Intell., 1993

Fuzzy Logic and AI.

John Yen, Piero P. Bonissone, Didier Dubois, Christian Freksa, Ramón López de Mántaras, Enrique H. Ruspini, Lotfi A. Zadeh

Proceedings of the 13th International Joint Conference on Artificial Intelligence. Chambéry, France, August 28, 1993

1992

Über den Unterschied zwischen logik-basierten und logischen Ansätzen zur Wissensrepräsentation.

Christian Freksa

Künstliche Intell., 1992

Temporal Reasoning Based on Semi-Intervals.

Christian Freksa

Artif. Intell., 1992

Using Orientation Information for Qualitative Spatial Reasoning.

Christian Freksa

Proceedings of the Theories and Methods of Spatio-Temporal Reasoning in Geographic Space, International Conference GIS, 1992

1991

Conceptual neighborhood and its role in temporal and spatial reasoning

Christian Freksa

Forschungsberichte, TU Munich, 1991

1990

Qualitative spatial reasoning

Christian Freksa

Forschungsberichte, TU Munich, 1990

Warum interessiert sich die Kognitionsforschung für die Darstellung räumlichen Wissens?

Christian Freksa, Christopher Habel

Proceedings of the Repräsentation und Verarbeitung räumlichen Wissens, 1990

1989

Wissensdarstellung und Kognitionsforschung.

Christian Freksa

it Inf. Technol., 1989

1988

Wissensrepräsentation in künstlichen symbolverarbeitenden Systemen

Ulrich Furbach, Christian Freksa, Gerhard Dirlich

Forschungsberichte, TU Munich, 1988

Intrinsische vs. extrinsische Repraesentation zum Aufgabenloesen oder die Verwandlung von Wasser in Wein

Christian Freksa

Forschungsberichte, TU Munich, 1988

Cognitive science - eine Standortbestimmung

Christian Freksa

Forschungsberichte, TU Munich, 1988

Mit welchen Themen soll sich die KI auseinandersetzen?

Christian Freksa

Proceedings of the Künstliche Intelligenz, 1988

1987

Spezielle Sektion: Kognition - Wissensstrukturen beim Aufgabenlösen.

Christian Freksa

Proceedings of the GWAI-87, 11th German Workshop on Artificial Intelligence, Geseke, Germany, September 28, 1987

1986

Intrinsische vs. extrinsische Repräsentation zum Aufgabenlösen oder die Verwandlung von Wasser in Wein.

Christian Freksa

Proceedings of the Wissensarten und ihre Darstellung, 1986

An Approach to Structuring and Formalizing Knowledge for a Design Support System.

Nur Erol, Christian Freksa

Proceedings of the Artificial Intelligence II: Methodology, Systems, Applications, 1986

1984

Computerunterstützte Planung von Ferienreisen ein fiktiven Beispiel.

Gerhard Dirlich, Helmut von Benda, Christian Freksa, Ulrich Furbach, Albrecht Müller, Klaus Wimmer

Proceedings of the Kognitive Aspekte der Mensch-Computer-Interaktion, 1984

Cognition and Representation - An Overview of Knowledge Reprensentation Issues in Cognitive Science.

Christian Freksa, Ulrich Furbach, Gerhard Dirlich

Proceedings of the GWAI-84, 1984

Towards a Theory of Knowledge Representation Systems.

Ulrich Furbach, Gerhard Dirlich, Christian Freksa

Proceedings of the Artificial Intelligence: Methodology, Systems, Applications, 1984