The purpose of this thesis was to study the reliability and the accuracy of GPS positioning in Palm Beach and Broward counties.

3-D MODELLING at ANZAC PARK, Toowong has progressively developed from undertaking extensive and highly accurate field surveys using electronic total stations, GPS ground control and field data recorders. The spatial data collected in the last few years for mapping purposes and student learning...

Current GIS are often described as rich in functionality but poor in knowledge content and transfer. This paper presents a prototype for communicating data quality in spatial databases using a hybrid design between data-driven and user-driven factors based upon traditional communication and...