Media type: Text; Electronic Conference Proceeding Title: Assessing the credibility of VGI contributors based on metadata and reverse viewshed analysis : an experiment with geotagged Flickr images Contributor: Senaratne, Hansi [Author]; Schreck, Tobias [Author]; Bröring, Arne [Author] Published: KOPS - The Institutional Repository of the University of Konstanz, 2013 Language: English Origination: Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen. Description: published Access State: Open Access Rights information: In Copyright