Classification and Source of GIS Data Errors
Guorong Shi · Journal of Liaoning Technical University · 2002
Data are the core and key investment in GIS. The data of GIS include space data and property data. Position errors are mainly from errors of direct measurement, digitalization of map, data input and store. The property errors are mainly from errors of topology analysis, data classification, document data and artificial translation. GIS errors also include secular errors,logical errors and other errors in data completeness.