1. Editorial

   • Michael F. Goodchild
   • Robert Jeansoulin

   OriginalPaper Pages: 211 - 214

2. Improved Modeling of Elevation Error with Geostatistics

   • Peter Fisher

   OriginalPaper Pages: 215 - 233

3. A Comparison of Two Approaches to Ranking Algorithms Used to Compute Hill Slopes

   • Kevin H. Jones

   OriginalPaper Pages: 235 - 256

4. Imprecision in Finite Resolution Spatial Data

   • Michael Worboys

   OriginalPaper Pages: 257 - 279

5. Finite-Resolution Simplicial Complexes

   • Werner Ho¨lbling
   • Werner Kuhn
   • Andrew U. Frank

   OriginalPaper Pages: 281 - 298