• 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   VGI Edit History Reveals Data Trustworthiness and User Reputation 

      D’Antonio, Fausto; Fogliaroni, Paolo; Kauppinen, Tomi AGILE Digital Editions (2014-06)
      Volunteered Geographic Information (VGI) is an approach to crowdsource information about geospatial features around us. People around the world are engaged with typing in their observations about the world (like locations ...