Cultural Studies.- Progress on Yindjibarndi Ethnophysiography.- Study of Cultural Impacts on Location Judgments in Eastern China.- Cross-Cultural Similarities in Topological Reasoning.- Thalassographeïn: Representing Maritime Spaces in Ancient Greece.- Semantics.- From Top-Level to Domain Ontologies: Ecosystem Classifications as a Case Study.- Semantic Categories Underlying the Meaning of ‘Place’.- Spatial Semantics in Difference Spaces.- Similarity.- Evaluation of a Semantic Similarity Measure for Natural Language Spatial Relations.- Affordance-Based Similarity Measurement for Entity Types.- An Image-Schematic Account of Spatial Categories.- Mapping and Representation.- Specifying Essential Features of Street Networks.- Spatial Information Extraction for Cognitive Mapping with a Mobile Robot.- Spatial Mapping and Map Exploitation: A Bio-inspired Engineering Perspective.- Scale-Dependent Simplification of 3D Building Models Based on Cell Decomposition and Primitive Instancing.- Perception and Cognition.- Degradation in Spatial Knowledge Acquisition When Using Automatic Navigation Systems.- Stories as Route Descriptions.- Three Sampling Methods for Visibility Measures of Landscape Perception.- Reasoning and Algorithms.- Reasoning on Spatial Semantic Integrity Constraints.- Spatial Reasoning with a Hole.- Geospatial Cluster Tessellation Through the Complete Order-k Voronoi Diagrams.- Drawing a Figure in a Two-Dimensional Plane for a Qualitative Representation.- Navigation and Landmarks.- Linguistic and Nonlinguistic Turn Direction Concepts.- A Uniform Handling of Different Landmark Types in Route Directions.- Effects of Geometry, Landmarks and Orientation Strategies in the ‘Drop-Off’ Orientation Task.- Uncertainty and Imperfection.- Data Quality Ontology: AnOntology for Imperfect Knowledge.- Triangulation of Gradient Polygons: A Spatial Data Model for Categorical Fields.- Relations in Mathematical Morphology with Applications to Graphs and Rough Sets.