Results 141 to 150 of about 20,583 (266)

FirstLife: Combining Social Networking and VGI to Create an Urban Coordination and Collaboration Platform

open access: yesIEEE Access, 2019
Designing an urban platform intended to be a shared virtual space for coordination, cooperation, and collaboration among public administrations, local institutions, civic organizations, businesses, and citizens is an open challenge.
G. Boella   +5 more
semanticscholar   +1 more source

VGI and crowdsourced data credibility analysis using spam email detection techniques

open access: yesInternational Journal of Digital Earth, 2018
Volunteered geographic information (VGI) can be considered a subset of crowdsourced data (CSD) and its popularity has recently increased in a number of application areas.
Saman Koswatte   +2 more
doaj   +1 more source

A PageRank-based Reputation Model for VGI Data

open access: yesProcedia Computer Science, 2016
AbstractQuality of data is one of the key issues in the domain of Volunteered geographic information (VGI). To this purpose, in literature VGI data has been sometime compared with authoritative geospatial data. Evaluation of single contributions to VGI databases is more relevant for some applications and typically relies on evaluating reputation of ...
Lodigiani, Carlo, MELCHIORI, Michele
openaire   +2 more sources

The Scale of VGI in Map Production: A Perspective on European National Mapping Agencies

open access: yesTrans. GIS, 2017
The perspective of European National Mapping Agencies (NMA) on the role of citizen sensing in map production was explored. The NMAs varied greatly in their engagement with the community generating volunteered geographic information (VGI) and in their ...
Ana-Maria Olteanu-Raimond   +5 more
semanticscholar   +1 more source

A Geographical Abacus of the Urban Building Heritage Based on Volunteered Geographic Information (VGI)

open access: green, 2021
Stefano Pili   +4 more
openalex   +2 more sources

OSMDeepOD - Object Detection on Orthophotos with and for VGI [PDF]

open access: gold, 2017
Samuel Kurath   +2 more
openalex   +1 more source

IL FENOMENO VOLUNTEERED GEOGRAPHIC INFORMATION

open access: yesGEOmedia, 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
doaj  

VGI and crisis mapping in an emergency situation. Comparison of four case studies: Haiti, Kibera, Kathmandu, Centre Italy

open access: yesGEOmedia, 2017
Over the last decade new voluntary mapping patterns are commonly known as VGI – Volunteered Geographic Information – that is, geo-localized information created voluntarily and consciously by web users.
Lucia Saganeiti   +3 more
doaj  

VGI and beyond.From data to mapping

open access: yes, 2017
This chapter will introduce the concept of Volunteered Geographic Information (VGI) within the practices of mapping and cartography. Our aim is to provide an accessible overview of the area, which has grown rapidly since the mid 2000s; but first we need to define what we mean by ...
Haklay, Muki   +2 more
openaire   +2 more sources

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