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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Spatial cognition and computation 1 (1999), S. 67-101 
    ISSN: 1542-7633
    Schlagwort(e): image schemata ; formal specifications ; spatial cognition ; spatial relations
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Psychologie
    Notizen: Abstract The formal specification of spatial objects and spatial relations is at the core of geographic data exchange and interoperability for geographic information systems (GIS). It is necessary that the representation of such objects and relations comes close to how people use them in their everyday lives, i.e., that these specifications are built upon elements of human spatial cognition. Image schemata have been suggested as highly abstract and structured mental patterns to capture spatial and similar physical as well as metaphorical relations between objects in the experiential world. We assume that image-schematic details for large-scale (geographic) space are potentially different from image-schematic details for small-scale (table-top) space. This paper reviews methods for the formal description of spatial relations, integrates them in a categorical view, and applies the methods arrived at to formally specify image schemata for large-scale (LOCATION, PATH, REGION, and BOUNDARY) as well as small-scale (CONTAINER, SURFACE, and LINK) space. These specifications should provide a foundation for further research on formalizing elements of human spatial cognition for interoperability in GIS.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Spatial cognition and computation 2 (2000), S. 283-313 
    ISSN: 1542-7633
    Schlagwort(e): decision making ; error classification ; least-angle strategy ; wayfinding
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Informatik , Psychologie
    Notizen: Abstract The least-angle strategy is a common wayfinding method that can be applied in unknown environments if the target direction is known. The strategy is based on the navigator's heuristic to select the street segment at an intersection which is most in line with the target direction. To use this strategy, the navigator needs to know the angles between the target direction and the street segments leading out from the intersection. If the direct view to the target is blocked and the target vector cannot be perceived, the target direction that is needed for the decision process is based on the agent's believed position and orientation (estimated through path integration). The agent's believed position and target direction are distorted by human errors in estimation of distances and directions, mainly affecting the path integration process. In this paper we examine how human estimation errors of distance and rotation influence the decision behavior in the wayfinding process in an unknown street environment. To demonstrate the geometrical consequences for a specific test case, we use a simulated software agent which navigates in a simulated street environment.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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