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Formal representation of qualitative direction / Christian Freksa in International journal of geographical information science IJGIS, vol 32 n° 11-12 (November - December 2018)  

Public [article]  inInternational journal of geographical information science IJGIS > vol 32 n° 11-12 (November - December 2018) . - pp 2514 - 2534 Titre : Formal representation of qualitative direction Type de document : Article/Communication Auteurs : Christian Freksa, Auteur ; Jasper van de Ven, Auteur ; Diedrich Wolter, Auteur Année de publication : 2018 Article en page(s) : pp 2514 - 2534 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] direction [Termes IGN] raisonnement spatial [Termes IGN] représentation cartographique [Termes IGN] représentation spatiale [Termes IGN] traitement de données localisées Résumé : (Auteur) This paper reviews formal approaches to representing spatial knowledge about qualitative direction. Unlike geometric direction information, qualitative information does not employ numerical values but relies on comparison. The qualitative approach is often regarded as suitable for capturing commonsense concepts and thus is relevant to human-centered interfaces for spatial information systems. To establish a context for the work on qualitative direction, we preset a brief history of the development of qualitative temporal and spatial representations from different scientific perspectives. We identify main focal areas of these representations of spatial direction and propose a taxonomy. In the light of more than three decades of fruitful research, we obtain a map of formal representations that reveal interrelationships between different research strands in the field. Numéro de notice : A2018-528 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2017.1420794 Date de publication en ligne : 25/01/2018 En ligne : https://doi.org/10.1080/13658816.2017.1420794 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91366 [article]

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Rule-guided human classification of Volunteered Geographic Information / Ahmed Loai Ali in ISPRS Journal of photogrammetry and remote sensing, vol 127 (May 2017)  

Public [article]  inISPRS Journal of photogrammetry and remote sensing > vol 127 (May 2017) . - pp 3 – 15 Titre : Rule-guided human classification of Volunteered Geographic Information Type de document : Article/Communication Auteurs : Ahmed Loai Ali, Auteur ; Zoe Falomir, Auteur ; Falko Schmid, Auteur ; Christian Freksa, Auteur Année de publication : 2017 Article en page(s) : pp 3 – 15 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] classification [Termes IGN] données descriptives [Termes IGN] données localisées des bénévoles [Termes IGN] données multisources [Termes IGN] exploration de données [Termes IGN] imprécision des données [Termes IGN] production participative [Termes IGN] règle d'association [Termes IGN] relation topologique Résumé : (auteur) During the last decade, web technologies and location sensing devices have evolved generating a form of crowdsourcing known as Volunteered Geographic Information (VGI). VGI acted as a platform of spatial data collection, in particular, when a group of public participants are involved in collaborative mapping activities: they work together to collect, share, and use information about geographic features. VGI exploits participants’ local knowledge to produce rich data sources. However, the resulting data inherits problematic data classification. In VGI projects, the challenges of data classification are due to the following: (i) data is likely prone to subjective classification, (ii) remote contributions and flexible contribution mechanisms in most projects, and (iii) the uncertainty of spatial data and non-strict definitions of geographic features. These factors lead to various forms of problematic classification: inconsistent, incomplete, and imprecise data classification. This research addresses classification appropriateness. Whether the classification of an entity is appropriate or inappropriate is related to quantitative and/or qualitative observations. Small differences between observations may be not recognizable particularly for non-expert participants. Hence, in this paper, the problem is tackled by developing a rule-guided classification approach. This approach exploits data mining techniques of Association Classification (AC) to extract descriptive (qualitative) rules of specific geographic features. The rules are extracted based on the investigation of qualitative topological relations between target features and their context. Afterwards, the extracted rules are used to develop a recommendation system able to guide participants to the most appropriate classification. The approach proposes two scenarios to guide participants towards enhancing the quality of data classification. An empirical study is conducted to investigate the classification of grass-related features like forest, garden, park, and meadow. The findings of this study indicate the feasibility of the proposed approach. Numéro de notice : A2017-218 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2016.06.003 En ligne : https://doi.org/10.1016/j.isprsjprs.2016.06.003 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=85093 [article]

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Spatial cognition 2, integrating abstract theories, empirical studies, formal methods, and practical applications / Christian Freksa (2000)  

Public Titre : Spatial cognition 2, integrating abstract theories, empirical studies, formal methods, and practical applications Type de document : Monographie Auteurs : Christian Freksa, Éditeur scientifique ; C. Habel, Éditeur scientifique ; K.F. Wender, Éditeur scientifique ; W. Brauer, Éditeur scientifique Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 2000 Collection : Lecture notes in Computer Science Sous-collection : Lecture Notes in Artificial Intelligence Importance : 420 p. Format : 15 x 23 cm ISBN/ISSN/EAN : 978-3-540-67584-6 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Intelligence artificielle [Termes IGN] carte cognitive [Termes IGN] cognition [Termes IGN] diagramme [Termes IGN] inférence [Termes IGN] mémoire [Termes IGN] navigation [Termes IGN] réalité virtuelle [Termes IGN] représentation cognitive Note de contenu : Maps and Diagrams - Cognitive Zoom: From Object to Path and Back Again / Carol Strohecker - Monitoring Change : Characteristics of Dynamic Geo-spatial Phenomena for Visual Exploration / Connie Blok - The Use'of Maps, Images and "Gestures" for Navigation / Stephen C. Hirtle - Schernatizing Maps : Simplification of Geographic Shape by Discrete Curve Evolution / Thomas Barkowsky, Longin Jan Latecki and Kai-Florian Richter - Schematic Maps as Wayfinding Aids / Hernan Casakin, Thomas Barkowsky, Alexander Klippel and Christian Freksa - Some Ways that Maps and Diagrams Communicate / Barbara Tversky - Spatial Communication with Maps : Defining the Correctness of Maps Using a Multi-Agent Simulation / Andrew U. Frank - Schematic Maps for Robot Navigation / Christian Freksa, Reinhard Moratz and Thomas Barkowsky Motion and Spatial Reference - From Motion Observation to Qualitative Motion Representation / Alexandra Musto, Klaus Stein, Andreas Eisenkolb, Thomas Röfer, Wilfried Brauer and Kerstin Schill - Lexical Specifications of Paths / Carola Eschenbach, Ladina Tschander, Christopher Habel and Lars Kulik - Visual Processing and Representation of Spatio-temporal Patterns / Andreas Eisenkolb, Kerstin Schill, Florian Röhrbein, Volker Baier, Alexandra Musto and Wilfried Brauer - Orienting and Reorienting in Egocentric Mental Models / Robin Hörnig, Klaus Eyferth and Holger Giirtner - Investigating Spatial Reference Systems through Distortions in Visual Memory / Steffen Werner and Thomas Schmidt Spatial Relations and Spatial Inference - Towards Cognitive Adequacy of Topological Spatial Relations / Jochen Renz, Reinhold Rauh and Markus Knauff - Interactive Layout Generation with a Diagrammatic Constraint Language / Christoph Schlieder and Cornelius Hagen - Inference and Visualization of Spatial Relations / Sylvia Wiebrock, Lars Wittenburg, Ute Schmid and Fritz Wysotzki - A Topological Calculus for Cartographic Entities / Amar Isli, Lledo Museros Cabedo, Thomas Barkowsky and Reinhard Moré - The Influence of Linear Shapes on Solving Interval-Based Configuration Problems / Reinhold Rauh and Lars Kulik Navigation in Real and Virtual Spaces - Transfer of Spatial Knowledge from Virtual to Real Environments / Patrick Péruch, Loïc Belingard and Catherine Thinus-Blanc - Coarse Qualitative Descriptions in Robot Navigation / Rolf Midler, Thomas Röfer, Axel Lankenau, Alexandra Musto, Klaus Stein and Andreas Eisenkolb - Oblique Angled Intersections and Barriers : Navigating through a Virtual Maze / Gabriele Janzen, Theo Herrmann, Steffi Katz and Karin Schweizer - Modelling Navigational Knowledge by Route Graphs / Steffen Werner, Bernd Krieg-Brückner and Theo Herrmann - Using Realistic Virtual Environments in the Study of Spatial Encoding / Chris Christou and Heinrich H.Bülthoff - Navigating Overlapping Virtual Worlds: Arriving in One Place and Finding that You're Somewhere Else / Roy A. Ruddle Spatial Memory - Influences of Context on Memory for Routes / Sabine Schumacher, Karl Friedrich Wender and Rainer Rothkegel - Preparing a Cup of Tea and Writing a Letter : Do Script-Based Actions Influence the Representation of a Real Environment ? / Monika Wagener, Silvia Mecklenbrduker, Werner Wippich, Jörg E. Saathoff and André Melzer - Action Related Determinants of Spatial Coding in Perception and Memory / Bernhard Hommel and Lothar Knuf - Investigation of Age and Sex Effects in Spatial Cognitions as Assessed in a Locomotor Maze and in a 2-D Computer Maze / Bernd Leplow, Doris Höll, Lingju Zeng and Maximilian Mehdorn Numéro de notice : 13173 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Recueil / ouvrage collectif DOI : 10.1007/3-540-45460-8 En ligne : http://dx.doi.org/10.1007/3-540-45460-8 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=40398

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Spatial cognition, an interdisciplinary approach to representing and processing spatial knowledge / Christian Freksa (1998)  

Public Titre : Spatial cognition, an interdisciplinary approach to representing and processing spatial knowledge Type de document : Monographie Auteurs : Christian Freksa, Éditeur scientifique ; C. Habel, Éditeur scientifique ; K.F. Wender, Éditeur scientifique Editeur : Berlin, Heidelberg, Vienne, New York, ... : Springer Année de publication : 1998 Collection : Lecture notes in Computer Science Sous-collection : Lecture Notes in Artificial Intelligence Importance : 488 p. Format : 15 x 23 cm ISBN/ISSN/EAN : 978-3-540-64603-7 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Intelligence artificielle [Termes IGN] acquisition de connaissances [Termes IGN] cognition [Termes IGN] mémoire [Termes IGN] navigation [Termes IGN] réalité virtuelle [Termes IGN] représentation cognitive [Termes IGN] représentation mentale spatiale Note de contenu : Spatial Knowledge Acquisition and Spatial Memory - Allocentric and egocentric spatial representations : Definitions, distinctions, and interconnections / Roberta L. Klatzky - The route direction effect and its constraints / Karin Schweizer, Theo Herrmann, Gabriele Janzen, and Steffi Katz - Spatial information and actions / Silvia Mecklenbrduker, Werner Wippich, Monika Wagener, and Jbrg E. Saathoff - The impact of exogenous factors on spatial coding in perception and memory / Jörg Gehrke and Bernhard Hommel - Judging spatial relations from memory / Rainer Rothkegel, Karl F. Wender, and Sabine Schumacher - Relations between the mental representation of extrapersonal space and spatial behavior / Steffen Werner, Christina Saade, and Gerd Liier - Representational levels for the perception of the courses of motion / Andreas Eisenkolb, Alexandra Musto, Kerstin Schill, Daniel Herntindez, and Wilfried Brauer Formal and Linguistic Models - How space structures language / Barbara Tversky and Paul U. Lee - Shape nouns and shape concepts: A geometry for 'corner' / Carola Eschenbach, Christopher Habel, Lars Kulik, and Annette Lessmöllmann - Typicality effects in the categorization of spatial relations / Constanze Vorwerg and Gert Rickheit - The use of locative expressions in dependence of the spatial relation between target and reference object in twodimensional layouts / Hubert D. Zimmer, Harry R. Speiser, Jörg Baus, Anselm Blocher, and Eva Stopp - Reference frames for spatial inference in text understanding / Berry Claus, Klaus Eyferth, Carsten Gips, Robin Hörnig, Ute Schmid, Sylvia Wiebrock, and Fritz Wysotzki - Mental models in spatial reasoning / Markus Knauff, Reinhold Rauh, Christoph Schlieder, and Gerhard Strube - Formal models for cognition taxonomy of spatial location description and frames of reference / Andrew U. Frank - Spatial representation with aspect maps / Bettina Berendt, Thomas Barkowsky, Christian Freksa, and Stephanie Kelter - A hierarchy of qualitative representations for space / Benjamin Kuipers - Spatial reasoning with topological information / Jochen Renz and Bernhard Nebel Navigation in Real and Virtual Worlds - A taxonomy of spatial knowledge for navigation and its application to the Bremen autonomous wheelchair / Bernd KriegBrückner, Thomas Röfer, Hans Otto Carmesin, and Rolf Midler - Human place learning in a computer generated arena / Lynn Nadel, K.G.F. Thomas, Holly E. Laurance, R. Skelton, T Tal, and W Jake Jacobs - Spatial orientation and spatial memory within a 'locomotor maze' for humans / Bernd Leplow, Doris Höll, Lin& Zeng, and Maximilian Mehdorn - Behavioral experiments in spatial cognition using virtual reality / Hanspeter A. Mallot, Sabine Gillner, Hendrik A. H. C. van Veen, and Heinrich H. Bidthoff - Spatial orientation in virtual environments : Background considerations and experiments / Fredrik Wartenberg, Mark May, and Patrick Péruch Numéro de notice : 13172 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Recueil / ouvrage collectif DOI : 10.1007/3-540-69342-4 En ligne : http://dx.doi.org/10.1007/3-540-69342-4 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=40397

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