Assessing an open spatial data infrastructure from a user participation perspective: A qualitative exploratory research of OpenStreetMap

Geographic Information (GI) has proven its value with its ability to be used in various fields, which left numerous questions about how this data should be stored, used, and managed. To facilitate the sharing and reuse of spatial data, Spatial Data Infrastructures (SDIs) emerged in the last decades and with the increase in Open Data, the belief...

The Role of Volunteered Geographic Information towards 3D Property Cadastral Systems

General mapping, and particularly cadastral mapping, is a highly expensive activity and many governments are no longer willing to continue covering the even increasing costs of surveys. As far as Portugal is concerned – our ultimate field of interest – ongoing 2D property cadastre surveys have revealed to be rather complex, laborious and...