Informacje o jakości danych geoprzestrzennych jako komponenty baz metadanych systemów geoinformacyjnych

Abstract

The success of important nationwide projects as Integrated Cadastre System will depend on the creation base metadata. This study focuses the method evaluation of spartial data quality in terms of accuracy, completeness, relevance and consistency. The research work refered to bases of local geoinformation system in Cracow. Data bases attributes was evaluated: land cadastre - parcels register, buildings register, digital base map, digital cadastral map, spatial registration of utility infrastructure and horizontal control. The geoinformatic databases evaluated by statistical estimators: mean value, coefficient of variation, mean value of absolute, coefficient of mean variation. This statistical estimators shows differences between bases of local geoinformation system in Cracow.