Results 81 to 90 of about 2,828 (206)
ISPRS International Journal of Geo-Information, 2019 Volunteered geographic information (VGI) encourages citizens to contribute geographic data voluntarily that helps to enhance geospatial databases. VGI’s significant limitations are trustworthiness and reliability concerning data quality due to the ...
Gangothri Rajaram, KR Manjula
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Feedbacks on VGI in-situ campaign for updating LULC data [PDF]
, 2019 Laurence Jolivet +5 more
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Ranking of VGI contributor reputation using an evaluation‐based weighted pagerank [PDF]
, 2021 Die Zhang +3 more
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Geo-spatial Information Science, 2019 Crowdsourced data can effectively observe environmental and urban ecosystem processes. The use of data produced by untrained people into flood forecasting models may effectively allow Early Warning Systems (EWS) to better perform while support decision ...
Antonio Annis, Fernando Nardi
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Future internet enablers for VGI applications [PDF]
, 2013 This paper presents the authors experiences with the development of mobile Volunteered Geographic Information (VGI) applications in the context of the ENVIROFI project and Future Internet Public Private Partnership (FI-PPP) FP7 research programme.FI-PPP has an ambitious goal of developing a set of Generic FI Enablers (GEs) - software and hardware tools
Denis Havlik +6 more
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VGI and crowdsourced data credibility analysis using spam email detection techniques
International 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
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VGI and beyond.From data to mapping
, 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
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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.
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Motivating and Sustaining Participation in VGI
, 2017 Volunteers are the key component in the collection of Volunteered Geographic Information (VGI), so what motivates their participation, what strategies work in recruitment and how sustainability of participation can be achieved are key questions that need to be answered to inform VGI system design and implementation.
Fritz, S., See, L., Brovelli, M.
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GEOmedia, 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
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