Results 151 to 160 of about 20,583 (266)
Volunteered geographic information (VGI) primer
, 2012 This guide is one in a series of Operational Policy documents being developed by GeoConnections. This guide is intended to inform CGDI stakeholders about the nature and scope of VGI and the realities, challenges and good practices of related operational policies.
openaire +1 more source
Matching authority and VGI road networks using an extended node-based matching algorithm [PDF]
, 2015 Ehsan Abdolmajidi +3 more
openalex +1 more source
Visualisation and Communication of VGI Quality
, 2017 The flourishing of VGI projects has transformed the average web user into an eager geographic data user and contributor. As it is difficult for the crowd to perceive VGI quality, visualisation can play a critical role in communicating data quality.
openaire +2 more sources
Maps, volunteered geographic information (VGI) and the spatio-discursive construction of nature
Digital Geography and Society, 2022 J. Astaburuaga +3 more
semanticscholar +1 more source
Urban monitoring using NetKDE and VGI: network based kernel density estimation on volunteered geographic information applied to Baghdad, Iraq [PDF]
, 2011 Nicolas Lachance-Bernard +2 more
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Geo-spatial Information ScienceNowadays, an increasing number of crises worldwide, triggered by climate extremes, natural and human-made hazards, the coronavirus pandemic, and more, pose a high pressure on crisis, emergency, and disaster management.
Katerina Tzavella +2 more
doaj +1 more source
Semantic integration of authoritative and VGI
, 2013 Presentation given at ACTIVITY workshop (AGILE 2013 Conference).
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Combining VGI with Viewsheds for Photo Tag Suggestion
, 2012 In this research we attempt to develop an improved method for tagging of digital photos, making the tagging process simpler and more accurate for users, and thus ultimately increasing the quality of the VGI data as a whole. Our method combines Volunteered Geographic Information (VGI) in the form of tags on photo sharing websites (such as Flickr and ...
Köbben, B., Huisman, O., Lin, HsiangHsu
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Evaluating reputation in VGI-enabled applications
, 2017 Volunteered Geographic Information (VGI) is an approach to crowdsource information about geospatial objects around us, as implemented in Open Street Map, Google Map Maker and WikiMapia projects. The value of this content has been recognized by both researchers and organizations for acquiring free, timely and detailed spatial data versus standard ...
Gusmini, Marco +4 more
openaire +3 more sources