Results 81 to 90 of about 2,828 (206)

Exploiting the Potential of VGI Metadata to Develop A Data-Driven Framework for Predicting User’s Proficiency in OpenStreetMap Context

open access: yesISPRS 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
doaj   +1 more source

Feedbacks on VGI in-situ campaign for updating LULC data [PDF]

open access: diamond, 2019
Laurence Jolivet   +5 more
openalex   +1 more source

Integrating VGI and 2D hydraulic models into a data assimilation framework for real time flood forecasting and mapping

open access: yesGeo-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
doaj   +1 more source

Future internet enablers for VGI applications [PDF]

open access: green, 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
openalex   +2 more sources

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

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

Volunteered geographic information (VGI) primer

open access: yes, 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

Motivating and Sustaining Participation in VGI

open access: yes, 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.
openaire   +4 more sources

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  

Home - About - Disclaimer - Privacy