@unpublished{TUW-297042, author = {Navratil, Gerhard}, title = {Statistical Data Quality Descriptions and Concrete Questions}, year = {2021}, keywords = {Spatial data quality, Decision, Navigation}, note = {invited; talk: Webinar Series by ISPRS TC IV: Advances and New Directions in Spatial Statistics, Teheran, Iran; 2021-09-02} }