Integrated Spatial Databases : Digital Images and GIS International Workshop ISD’99 Portland ME USA June 14–16 1999 Selected Papers This book constitutes the thoroughly refereed post proceedings of the International Workshop on Integrated Databases Digital Images and GIS ISD99 held in Portland Maine USA in June 1999. The 18 revised full papers presented went through a double reviewing process and were selected from nearly 40 original submissions. The book is divided into parts on object extraction from raster images geospatial analysis formalisms and modeling and data access