1. Editorial

   • Claudia Bauzer Medeiros

   Editorial Introduction Pages: 215 - 219

2. OMT-G: An Object-Oriented Data Model for Geographic Applications

   • Karla A.V. Borges
   • Clodoveu A. Davis
   • Alberto H.F. Laender

   OriginalPaper Pages: 221 - 260

3. Object Calculus and the Object-Oriented Analysis and Design of an Error-Sensitive GIS

   • Matt Duckham

   OriginalPaper Pages: 261 - 289

4. Towards a Methodology for the Evaluation of Multimedia Geographical Information Products

   • William E. Cartwright
   • Gary J. Hunter

   OriginalPaper Pages: 291 - 315