• openAccess   Characteristics of Citizen-contributed Geographic Information 

      Spyratos, Spyridon; Lutz, Michael; Pantisano, Francesco AGILE Digital Editions (2014-06)
      Current Internet applications have been increasingly incorporating citizen-contributed geographic information (CCGI) with much heterogeneous characteristics. Nevertheless, despite their differences, several terms are often ...
    • openAccess   Cropland capture: A gaming approach to improve global land cover 

      See, Linda; Sturn, Tobias; Fritz, Steffen; McCallum, Ian; Salk, Carl AGILE Digital Editions (2014-06)
      Accurate and reliable information on global cropland extent is needed for a number of applications, e g. to estimate potential yield losses in the wake of a drought or for assessing future scenarios of climate change on ...