The assessment of the quality and accuracy of Volunteered Geographic Information (VGI) contributions. and by extension the ultimate utility of VGI data has fostered much debate within the geographic community. The limited research to date has been focused on VGI data of linear features and has shown that the error in the data is heterogeneously distributed. Some have argued that data ... https://bellfordtoysandhobbiers.shop/product-category/wooden-toy/