part SECTION I Systems Approaches to Spatial Introduction -- chapter 1 Querying Vague Spatial Objects in Databases with VASA -- chapter 2 Assessing the Quality of Data with a Decision Model -- chapter 3 Semantic Reference Systems Accounting for Uncertainty: A Requirements Analysis -- chapter 4 Elements of Semantic Mapping Quality: A Theoretical Framework -- chapter 5 A Multicriteria Fusion Approach for Geographical Data Matching -- part SECTION II Geostatistics and Spatial Data Introduction -- chapter 6 A Preliminary Study on Spatial Sampling for Topographic Data -- chapter 7 Predictive Risk Mapping of Water Table Depths in a Brazilian Cerrado Area -- chapter 8 Modeling Data Quality with Possibility Distributions -- chapter 9 Kriging and Fuzzy Approaches for DEM -- part SECTION III Error Propagation Introduction -- chapter 10 Propagation of Positional Measurement Errors to Field Operations -- chapter 11 Error Propagation Analysis Techniques Applied to Precision Agriculture and Environmental Models -- chapter 12 Aspects of Error Propagation in Modern Geodetic Networks -- chapter 13 Analysis of the Quality of Collection 4 and 5 Vegetation Index Time Series from MODIS -- chapter 14 Modeling DEM Data Uncertainties for Monte Carlo Simulations of Ice Sheet Models -- part SECTION IV Applications Introduction -- chapter 15 Geostatistical Texture Classification of Tropical Rainforest in Indonesia -- chapter 16 Quality Assessment for Polygon Generalization -- chapter 17 Effectiveness of High-Resolution LIDAR DSM for Two- Dimensional Hydrodynamic Flood Modeling in an Urban Area -- chapter 18 Uncertainty, Vagueness, and Indiscernibility: The Impact of Spatial Scale in Relation to the Landscape Elements -- chapter 19 A Quality-Aware Approach for the Early Steps of the Integration of Environmental Systems -- chapter 20 Analyzing and Aggregating Visitor Tracks in a Protected Area -- part SECTION V Communication Introduction -- chapter 21 What Communicates Quality to the Spatial Data Consumer? -- chapter 22 Judging and Visualizing the Quality of Spatio-Temporal Data on the Kakamega-Nandi Forest Area in West Kenya -- chapter 23 A Study on the Impact of Scale-Dependent Factors on the Classification of Landcover Maps -- chapter 24 Formal Languages for Expressing Spatial Data Constraints and Implications for Reporting of Quality Metadata -- chapter Epilogue: Putting Research into Practice.