Revised White Papers, 1998
GIS AND SOCIETY II
SPATIAL DATA ACQUISITION AND INTEGRATION
1998 Research Paper
EXTENSIONS TO GEOGRAPHIC REPRESENTATION
COGNITION OF GEOGRAPHIC INFORMATION
INTEROPERABILITY OF GEOGRAPHIC INFORMATION
SPATIAL ANALYSIS IN A GIS ENVIRONMENT
THE FUTURE OF THE SPATIAL INFORMATION INFRASTRUCTURE
UNCERTAINTY IN SPATIAL DATA AND GIS-BASED ANALYSES
(in pdf)