The GeoInfo series of scientific conferences is an annual forum for exploring research, development and innovative applications in geographic information science and related areas. This book provides a privileged view of what is currently happening in the field of geoinformatics as well as a preview of what could be the hottest developments and research topics in the near future.

Computational Geometry and Visualization.- Consistent Handling of Linear Features in Polyline Simplification.- Cartographical Data Treatment Analysis for Real Time Three-Dimensional Terrain Visualization.- A More Efficient Method for Map Overlay in Terralib.- Spatial Databases.- Exploiting Type and Space in a Main Memory Query Engine.- Approximate Query Processing in Spatial Databases Using Raster Signatures.- A Rule-Based Optimizer for Spatial Join Algorithms.- Spatial Query Broker in a Grid Environment.- TerraHS: Integration of Functional Programming and Spatial Databases for GIS Application Development.- Spatial Ontologies and Interoperability.- An Algorithm and Implementation for GeoOntologies Alignment.- Querying a Geographic Database using an Ontology-Based Methodology.- A Method for Defining Semantic Similarities between GML Schemas.- Interoperability among Heterogeneous Geographic Objects.- Distributed GIS / GIS and the Internet.- Web Service for Cooperation in Biodiversity Modeling.- Evaluation of OGC Web Services for Local Spatial Data Infrastructures and for the Development of Clients for Geographic Information Systems.- Towards Gazetteer Integration through an Instance-based Thesauri Mapping Approach.- WS-GIS: Towards a SOA-Based SDI Federation.- Geostatistics, Spatial Statistics and Spatial Analysis.- Electricity Consumption as a Predictor of Household Income: a Spatial Statistics Approach.- Shiryaev-Roberts Method to Detect Space-Time Emerging Clusters.- Testing association between origin-destination spatial locations.- Applications.- GIS Development for Energy Distribution Network Restoration with an Integrated Interface.