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[PDF][PDF] Assessing VGI data quality
Uncertainty over the data quality of Volunteered Geographic Information (VGI) is the largest
barrier to the use of this data source by National Map** Agencies (NMAs) and other …
barrier to the use of this data source by National Map** Agencies (NMAs) and other …
Defining fitness-for-use for crowdsourced points of interest (POI)
(1) Background: Due to the advent of Volunteered Geographic Information (VGI), large
datasets of user-generated Points of Interest (POI) are now available. As with all VGI …
datasets of user-generated Points of Interest (POI) are now available. As with all VGI …
Combining environmental-socio-economic data with volunteer geographic information for map** flood risk zones in Zhengzhou, Henan Province, China
H Luo, J Liao, G Shen - International Journal of Disaster Risk Reduction, 2024 - Elsevier
Due to the occurrence of extreme weather phenomena, flooding caused by precipitation has
become a frequent, widespread, and highly destructive natural disaster. For densely …
become a frequent, widespread, and highly destructive natural disaster. For densely …
[HTML][HTML] The value of OpenStreetMap historical contributions as a source of sampling data for multi-temporal land use/cover maps
OpenStreetMap (OSM) is a free, open-access Volunteered geographic information (VGI)
platform that has been widely used over the last decade as a source for Land Use Land …
platform that has been widely used over the last decade as a source for Land Use Land …
Is the radial distance really a distance? An analysis of its properties and interest for the matching of polygon features
Y Méneroux, I Maidaneh Abdi… - International Journal …, 2023 - Taylor & Francis
In this paper, we examine the properties of the radial distance which has been used as a
tool to compare the shape of simple surfacic objects. We give a rigorous definition of the …
tool to compare the shape of simple surfacic objects. We give a rigorous definition of the …
[HTML][HTML] On data quality assurance and conflation entanglement in crowdsourcing for environmental studies
Volunteer geographical information (VGI), either in the context of citizen science or the
mining of social media, has proven to be useful in various domains including natural …
mining of social media, has proven to be useful in various domains including natural …
[HTML][HTML] Crowdsourced geospatial infrastructure for coastal management and planning for emerging post COVID-19 tourism demand
In recent years, the use of crowdsourcing has positively transformed the way geographic
information is collected, stored and analyzed. Many countries have promoted and funded …
information is collected, stored and analyzed. Many countries have promoted and funded …
[HTML][HTML] CWDAT—an open-source tool for the visualization and analysis of community-generated water quality data
Citizen science initiatives span a wide range of topics, designs, and research needs.
Despite this heterogeneity, there are several common barriers to the uptake and …
Despite this heterogeneity, there are several common barriers to the uptake and …
New age of crisis management with social media
Abstract Social Media (SM) Volunteered Geographic Information (VGI) is gradually being
used for representing the real-time situation during emergency. This chapter presents the …
used for representing the real-time situation during emergency. This chapter presents the …
[HTML][HTML] User generated spatial content-integrator: conceptual model to integrate data from diverse sources of user generated spatial content
Geographic information has been traditionally produced by map** agencies and
corporations, using highly skilled professionals as well as expensive precision equipment …
corporations, using highly skilled professionals as well as expensive precision equipment …