Table of Contents

Keynotes.- Multi-cultural Aspects of Spatial Knowledge.- Towards Reasoning Pragmatics.- Foundations of Geo-semantics.- A Functional Ontology of Observation and Measurement.- The Case for Grounding Databases.- Formal Representation of Geospatial Data.- Towards a Semantic Representation of Raster Spatial Data.- Bottom-Up Gazetteers: Learning from the Implicit Semantics of Geotags.- Semantics-Based Information Retrieval and Recommender Systems.- Ontology-Based Integration of Sensor Web Services in Disaster Management.- A Spatial User Similarity Measure for Geographic Recommender Systems.- Integration of Semantics into Spatial Query Processing.- SPARQL Query Re-writing Using Partonomy Based Transformation Rules.- iRank: Ranking Geographical Information by Conceptual, Geographic and Topologic Similarity.- Geo-ontologies and Applications.- Towards an Ontology for Reef Islands.- Narrative Geospatial Knowledge in Ethnographies: Representation and Reasoning.