Media type: E-Article Title: VGI in surveying engineering: Introducing collaborative cloud land surveying Contributor: Sofos, Ioannis; Vescoukis, Vassilios; Tsakiri, Maria Published: Journal of Spatial Information Science, 2017 Published in: Journal of Spatial Information Science (2017) 15 Language: Not determined DOI: 10.5311/josis.2017.15.320 ISSN: 1948-660X Keywords: Computers in Earth Sciences ; Geography, Planning and Development ; Information Systems Origination: Footnote: Access State: Open Access