Spatial Information Theory A Theoretical Basis for GIS

Continuous change in spatial regions.- Qualitative representation of change.- Image-schemata-based spatial inferences: The container-surface algebra.- A city metaphor to support navigation in complex information spaces.- Using hierarchical spatial data structures for hierarchical spatial reasoning.- Structuring space with image schemata: Wayfinding in airports as a case study.- Fiat and bona fide Boundaries: Towards an ontology of spatially extended objects.- A representation-oriented taxonomy of gradation.- Classification as an impediment to the reliable and valid use of spatial information: A disaggregate approach.- What maps mean to people: Denotation, connotation, and geographic visualization in land-use debates.- The algebraic structure of sets of regions.- Complex regions in topological queries.- A cognitive assessment of topological spatial relations: Results from an empirical investigation.- Vorono diagrams on line segments: Measurements for contextual generalization purposes.- A qualitative coordinate language of location of figures within the ground.- Identification of fuzzy objects from field observation data.- Long-term spatial representations from pictorial and textual input.- Feature accumulation and route structuring in distance estimations An interdisciplinary approach.- The perception and cognition of environmental distance: Direct sources of information.- Improving multi-purpose GIS design: Participative design.- Self-organization, cities, cognitive maps and information systems.- Cognitive requirements on making and interpreting maps.- From knowledge to words to wayfinding: Issues in the production and comprehension of route directions.- Spatial representation for pragmatic navigation.- Partition and conquer.- Supporting emergence in spatialreasoning with shape algebras and formal logic.- Linear constraints: Geometric objects represented by inequalitiesl.- An event-based approach to spatial information.- Geocognostics A new framework for spatial information theory.- Graphical modelling for geographic explanation.- Experiments using context and significance to enhance the reporting capabilities of gis.- Automatic summarization of radiographic imagery.- An automated system for name placement which complies with cartographic quality criteria: The hydrographic network.- Agent-based simulations of a city dynamics in a gis environment.- A logical approach to incorporating qualitative spatial reasoning into GIS (Extended Abstract).- User interaction in a sketch-based GIS user interface.- Metrical refinement of topological relations.- Approximation of topological relations between fuzzy regions satisfying a linguistically described query.