1. Editorial

   • Patrick Bergougnoux

   OriginalPaper Pages: 5 - 6

2. Developing GIS Applications with Objects: A Design Patterns Approach

   • Silvia Gordillo
   • Federico Balaguer
   • Fernando Das Neves

   OriginalPaper Pages: 7 - 32

3. Caching Strategies for Spatial Joins

   • David J. Abel
   • Volker Gaede
   • Xiaofang Zhou

   OriginalPaper Pages: 33 - 59

4. Survey of Spatio-Temporal Databases

   • Tamas Abraham
   • John F. Roddick

   OriginalPaper Pages: 61 - 99