The paper analyses the challenges and problems posed by the use of Volunteered
Geographic Information (VGI) in citizen science and a proposal is formulated for assessing …

Initiatives that rely upon the contributions of volunteers to reach a specific goal are growing
more and more with the success of Web 2.0–interactive applications. Also scientific projects …

The University of Pretoria in South Africa and the Wroclaw University of Environmental and
Life Sciences in Poland have a joint research project under the SA/Poland Cooperation …

While spatial information quality is an established discipline in traditional scientific
geographical information (GI), standards and protocols for representing and assessing the …

With the ubiquity of advanced web technologies and location-sensing hand held devices,
citizens regardless of their knowledge or expertise, are able to produce spatial information …

This contribution starts from the assumption that volunteered geographic information is a
technological, cultural and scientific innovation. It therefore offers first some general …

This article sets forth the early phases of a methodological proposal for designing and
developing Volunteered Geographic Information (VGI) initiatives based on a system …

Abstract In Geographic Information Systems (GIS), and more specifically in Volunteered
Geographic Information (VGI), users can actively participate in the processes of inclusion …

Volunteered Geographic Information (VGI) is a growing area of research. This Special Issue
aims to capture the main trends in VGI research based on 16 original papers, and …

Studies have analyzed the quality of volunteered geographic information (VGI) datasets,
assessing the positional accuracy of features and the semantic accuracy of the attributes …