Results 1 to 10 of about 5,820 (149)
Crowdsourcing, Citizen Science or Volunteered Geographic Information? The Current State of Crowdsourced Geographic Information [PDF]
ISPRS International Journal of Geo-Information, 2016 Citizens are increasingly becoming an important source of geographic information, sometimes entering domains that had until recently been the exclusive realm of authoritative agencies.
Linda See, Peter Mooney, Giles M Foody
exaly +11 more sources
Volunteered and crowdsourced geographic information: the OpenStreetMap project [PDF]
Journal of Spatial Information Science, 2020 Advancements in technology over the last two decades have changed how spatial data are created and used. In particular, in the last decade, volunteered geographic information (VGI), i.e., the crowdsourcing of geographic information, has revolutionized ...
Michela Bertolotto +2 more
doaj +3 more sources
A Systems Perspective on Volunteered Geographic Information [PDF]
ISPRS International Journal of Geo-Information, 2014 Volunteered geographic information (VGI) is geographic information collected by way of crowdsourcing. However, the distinction between VGI as an information product and the processes that create VGI is blurred.
Victoria Fast, Claus Rinner
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Highlighting Current Trends in Volunteered Geographic Information [PDF]
ISPRS International Journal of Geo-Information, 2017 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 distinguishes between two main areas, i.e., those that deal with the ...
David Jonietz +3 more
doaj +6 more sources
THE VOLUNTEERED GEOGRAPHIC INFORMATION IN ARCHAEOLOGY [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 The purpose of the paper is to investigate the Volunteered Geographic Information (VGI), which is still at a very early stage, to identify its use worldwide including characteristic examples and research its potential applications in Cultural Heritage ...
S. Sylaiou +3 more
doaj +4 more sources
Estimating Traffic Disruption Patterns with Volunteered Geographic Information. [PDF]
Sci Rep, 2020 AbstractAccurate understanding and forecasting of traffic is a key contemporary problem for policymakers. Road networks are increasingly congested, yet traffic data is often expensive to obtain, making informed policy-making harder. This paper explores the extent to which traffic disruption can be estimated using features from the volunteered ...
Camargo CQ +4 more
europepmc +9 more sources
Developing a Workflow to Identify Inconsistencies in Volunteered Geographic Information: A Phenological Case Study. [PDF]
PLoS ONE, 2015 Recent improvements in online information communication and mobile location-aware technologies have led to the production of large volumes of volunteered geographic information. Widespread, large-scale efforts by volunteers to collect data can inform and
Hamed Mehdipoor +4 more
doaj +2 more sources
IL FENOMENO VOLUNTEERED GEOGRAPHIC INFORMATION
GEOmedia, 2014 The contribution addresses the phenomenon of Voluntereed Geographic Information explaining these new and burgeoning sources of information offers multidisciplinary scientists an unprecedented opportunity to conduct research on a variety of topics at ...
Flavio Lupia, Cristina Capineri
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Assessing Completeness and Spatial Error of Features in Volunteered Geographic Information
ISPRS International Journal of Geo-Information, 2013 The assessment of the quality and accuracy of Volunteered Geographic Information (VGI) contributions, and by extension the ultimate utility of VGI data has fostered much debate within the geographic community.
Peggy Agouris +2 more
exaly +3 more sources
Geo-Spatial Information Science, 2017 Observations of living organisms by citizen scientists that are reported to online portals are a valuable source of information. They are also a special kind of volunteered geographic information (VGI).
Alexander Zipf
exaly +2 more sources