Techniques and issues for the characterisation of an object-field representation that includes notions of semantics and uncertainty are detailed. The purpose of this model is to allow users to capture objects in field with internally variable levels of uncertainty, to visualize users'...

The need for a conceptually unifying data model for the representation of geospatial phenomena has already been acknowledged. There has been some activity in developing unifying data models for geospatial representation in digital form and some successes have been reported. Nevertheless,...