Rodolphe Devillers, Geography Department of Memorial University of Newfoundland, Canada  Robert Jeansoulin, Center of Mathematics and Computer Sciences of University of Provence, France

• Foreword. Introduction.Chapter 1. Development in the Treatment of Spatial Data Quality (Nicholas Chrisman).Chapter 2. Spatial Data Quality: Concepts (Rodolphe Devillers and Robert Jeansoulin).Chapter 3. Approaches to Uncertainty in Spatial Data (Peter Fisher, Alexis Comber and Richard Wadsworth).Chapter 4. Quality of Raster Data (Serge Riazanoff and Richard Santer).Chapter 5. Understanding the Nature and Magnitude of Uncertainty in Geopolitical and Interpretative Choropleth Maps (Kim Lowell).Chapter 6. The Impact of Positional Accuracy on the Computation of Cost Functions (Alfred Stein and Pepijn Van Oort).Chapter 7. Reasoning Methods for Handling Uncertain Information in Land Cover Mapping (Alexis Comber, Richard Wadsworth and Peter Fisher).Chapter 8. Vector Data Quality: A Data Provider’s Perspective (Jenny Harding).Chapter 9. Spatial Integrity Constraints: A Tool for Improving the Internal Quality of Spatial Data (Sylvain Vallières, Jean Brodeur and Daniel Pilon).Chapter 10. Quality Components, Standards and Metadata, Sylvie Servigne (Nicolas Lesage and Thérèse Libourel).Chapter 11. Spatial Data Quality Assessment and Documentation (Jean-François Hangouët).Chapter 12. Communication and Use of Spatial Data Quality Information in GIS (Rodolphe Devillers and Kate Beard).Chapter 13. External Quality Evaluation of Geographical Applications: An Ontological Approach (Bérengère Vasseur, Robert Jeansoulin,Rodolphe Devillers and Andrew Frank).Chapter 14. A Case Study in the Use of Risk Management to Assess Decision Quality (Gary Hunter and Sytze De Bruin).Chapter 15. On the Importance of External Data Quality in Civil Law (Marc Gervais).Appendix. Quality, and Poem Alike.List of Authors.Index.