Environmental Modeling

Managing Fitness-for-Use

Management refers to the strategies and methods adopted to mitigate against uncertainty in spatial databases and to reduce the uncertainty absorption required of the user (Bedard, 1986; Hunter and Goodchild, 1993; Frank, 2008). Any strategy […]

GIS Engineering

Fuzzy Concepts in GIS

There is a fundamental tension between natural variation in the real world and the dominant data models of GIS, which focus on mutually exclusive, homogeneous classes of objects with abrupt spatial boundaries. We have also […]

GIS Engineering

Measuring Spatial Data Quality

The general treatment of uncertainty in spatial data reflects the continuing conceptual closeness of digital maps to their paper roots in the minds of users with an overriding emphasis on accuracy and error. Thus, adopted […]