Results 1 to 10 of about 67,316 (309)
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 +10 more sources
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 +9 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 +5 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
doaj +3 more sources
Volunteered Geographic Information [PDF]
, 2017 This open access book includes methods for retrieval, semantic representation, and analysis of Volunteered Geographic Information (VGI), geovisualization and user interactions related to VGI, and discusses selected topics in active participation, social ...
Daniel Z. Sui, Jonathan Cinnamon
core +6 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
Placial-Discursive Topologies of Violence: Volunteered Geographic Information and the Reproduction of Violent Places in Recife, Brazil [PDF]
ISPRS International Journal of Geo-Information, 2022 Knowledge and experiences of violence transform the ways in which individuals perceive the urban landscape, construct and reproduce (un)safety, and make everyday decisions regarding mobility and the use of space.
Cléssio Moura de Souza +2 more
doaj +2 more sources
Evacuation time estimate for total pedestrian evacuation using a queuing network model and volunteered geographic information [PDF]
, 2016 Estimating city evacuation time is a non-trivial problem due to the interaction between thousands of individual agents, giving rise to various collective phenomena, such as bottleneck formation, intermittent flow and stop-and-go waves.
Bharat Kunwar +2 more
openalex +6 more sources
A characterization of Volunteered Geographic Information [PDF]
, 2010 This paper characterizes the Volunteered Geographic Information (VGI) phenomenon and explores comprehensively its relation with SDI. The SDI component view is used as common framework for describing the main characteristics of VGI and as framework for exploring VGI and SDI relation.
Castelein, W.T. +3 more
core +10 more sources
MEASURING THE SPATIAL SIMILARITIES IN VOLUNTEERED GEOGRAPHIC INFORMATION [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 Volunteered citizens have the potential to be used as social and distributed sensors, monitoring their surroundings and producing and sharing massive amounts of geographic data.
N. Mahmoody-Vanolya +1 more
doaj +3 more sources