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Documents authored by Freksa, Christian

Document
DOI: 10.4230/DagSemProc.05491.1
05491 Abstracts Collection – Spatial Cognition: Specialization and Integration

Authors: Anthony G. Cohn, Christian Freksa, and Bernhard Nebel

Published in: Dagstuhl Seminar Proceedings, Volume 5491, Spatial Cognition: Specialization and Integration (2007)

Abstract
From 04.12.05 to 09.12.05, the Dagstuhl Seminar 05491 ``Spatial Cognition: Specialization and Integration'' was held in the International Conference and Research Center (IBFI), Schloss Dagstuhl. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available.
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Anthony G. Cohn, Christian Freksa, and Bernhard Nebel. 05491 Abstracts Collection – Spatial Cognition: Specialization and Integration. In Spatial Cognition: Specialization and Integration. Dagstuhl Seminar Proceedings, Volume 5491, pp. 1-15, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{cohn_et_al:DagSemProc.05491.1,
  author =	{Cohn, Anthony G. and Freksa, Christian and Nebel, Bernhard},
  title =	{{05491 Abstracts Collection – Spatial Cognition: Specialization and Integration}},
  booktitle =	{Spatial Cognition: Specialization and Integration},
  pages =	{1--15},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{5491},
  editor =	{Anthony G. Cohn and Christian Freksa and Bernhard Nebel},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05491.1},
  URN =		{urn:nbn:de:0030-drops-9859},
  doi =		{10.4230/DagSemProc.05491.1},
  annote =	{Keywords: Spatial cognition, knowledge representation, spatial reasoning, spatial and linguistic ontologies, integration,cognitive robotics}
}
Document
DOI: 10.4230/DagSemProc.05491.2
05491 Executive Summary – Spatial Cognition: Specialization and Integration

Authors: Christian Freksa

Published in: Dagstuhl Seminar Proceedings, Volume 5491, Spatial Cognition: Specialization and Integration (2007)

Abstract
Spatial Cognition: Specialization and Integration
Cite as

Christian Freksa. 05491 Executive Summary – Spatial Cognition: Specialization and Integration. In Spatial Cognition: Specialization and Integration. Dagstuhl Seminar Proceedings, Volume 5491, p. 1, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{freksa:DagSemProc.05491.2,
  author =	{Freksa, Christian},
  title =	{{05491 Executive Summary – Spatial Cognition: Specialization and Integration}},
  booktitle =	{Spatial Cognition: Specialization and Integration},
  pages =	{1--1},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{5491},
  editor =	{Anthony G. Cohn and Christian Freksa and Bernhard Nebel},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05491.2},
  URN =		{urn:nbn:de:0030-drops-9824},
  doi =		{10.4230/DagSemProc.05491.2},
  annote =	{Keywords: Ex. Summary}
}
Document
DOI: 10.4230/DagSemProc.05491.4
A Cognitive Perspective on Spatial Context

Authors: Christian Freksa, Alexander Klippel, and Stephan Winter

Published in: Dagstuhl Seminar Proceedings, Volume 5491, Spatial Cognition: Specialization and Integration (2007)

Abstract
This paper develops a representation-theoretic notion of spatial context for cognitive agents interacting with spatial environments. We discuss the current state of the art in defining context as used in context-aware and/or location- aware systems. In contrast to existing approaches, we define context through cognitive processes. The term "invisible geography" alludes to the fact that knowledge about geographic space develops through complex cognitive interaction and is not simply "out there" to be looked at. Placing (cognitive) processes in the focus of our context definition allows for a truly user-centered perspective: conceptualizations imbue spatial structures with meaning. This allows for fixing terminological problems and relating context definitions to work in spatial information theory and cognitive science. Although we focus on spatial context, the approach is generic and can be adapted to other domains in which cognitive aspects concerning users of information systems are central.
Cite as

Christian Freksa, Alexander Klippel, and Stephan Winter. A Cognitive Perspective on Spatial Context. In Spatial Cognition: Specialization and Integration. Dagstuhl Seminar Proceedings, Volume 5491, pp. 1-16, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2007)

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@InProceedings{freksa_et_al:DagSemProc.05491.4,
  author =	{Freksa, Christian and Klippel, Alexander and Winter, Stephan},
  title =	{{A Cognitive Perspective on Spatial Context}},
  booktitle =	{Spatial Cognition: Specialization and Integration},
  pages =	{1--16},
  series =	{Dagstuhl Seminar Proceedings (DagSemProc)},
  ISSN =	{1862-4405},
  year =	{2007},
  volume =	{5491},
  editor =	{Anthony G. Cohn and Christian Freksa and Bernhard Nebel},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.05491.4},
  URN =		{urn:nbn:de:0030-drops-9804},
  doi =		{10.4230/DagSemProc.05491.4},
  annote =	{Keywords: Representation theory, spatial context, location aware systems}
}
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