Results 61 to 70 of about 20,583 (266)

A Shared Perspective for PGIS and VGI [PDF]

open access: yesThe Cartographic Journal, 2016
This paper reviews persistent principles of participation processes. On the basis of a review of recent interrogations of the (Public) Participatory Geographic Information Systems (P)PGIS and Volunteered Geographic Information (VGI) approaches, a summary of five prevailing principles in participatory spatial information handling is presented.
Verplanke, J   +4 more
openaire   +3 more sources

Ranking of VGI contributor reputation using an evaluation‐based weighted pagerank

open access: yesTrans. GIS, 2021
The quality of volunteered geographic information (VGI) is questionable as it emerges through a diversity of contributors. The reputation of a contributor is increasingly applied to VGI quality assessment and its assurance. Research on how to measure and
Die Zhang   +3 more
semanticscholar   +1 more source

Online Voltage Stability Assessment for Load Areas Based on the Holomorphic Embedding Method [PDF]

open access: yes, 2017
This paper proposes an online steady-state voltage stability assessment scheme to evaluate the proximity to voltage collapse at each bus of a load area.
Bak, Claus Leth   +4 more
core   +2 more sources

Qualidade do Posicionamento em Aplicativos VGI Obtido por Sensores de Localização em Smartphones

open access: yesRevista Brasileira de Cartografia, 2019
O artigo apresenta a avaliação da qualidade do posicionamento obtido por sensores de localização acoplados em smartphones, abordando o seu desempenho para a coleta de Informações Geográficas Voluntárias (VGI). Os experimentos foram realizados na forma de
Gabriel Araujo Oliveira   +3 more
doaj   +1 more source

The V in VGI: Citizens or Civic Data Sources

open access: yesUrban Planning, 2016
Volunteered geographic information (VGI), delivered via mobile and web apps, offers new potentials for civic engagement. If framed in the context of open, transparent and accountable governance then presumably VGI should advance dialogue and consultation
Suthee Sangiambut, Renee Sieber
doaj   +1 more source

ASSESSMENT OF COMPLETENESS AND POSITIONAL ACCURACY OF LINEAR FEATURES IN VOLUNTEERED GEOGRAPHIC INFORMATION (VGI) [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Recent advances in spatial data collection technologies and online services dramatically increase the contribution of ordinary people to produce, share, and use geographic information. Collecting spatial data as well as disseminating them on the internet
M. Eshghi, A. A. Alesheikh
doaj   +1 more source

VGI FOR LAND ADMINISTRATION – A QUALITY PERSPECTIVE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
Abstract. Since the use of volunteered geographic information (VGI) or crowd sourced data (Goodchild, 2007) became more common, several people proposed the use of such methods of data collection for various fields. Success stories were Wikipedia encyclopaedia and OpenStreetMap (OSM), but also using VGI in land administration has been proposed.
G. Navratil, A. U. Frank
openaire   +3 more sources

Towards a Protocol for the Collection of VGI Vector Data

open access: yesISPRS International Journal of Geo-Information, 2016
A protocol for the collection of vector data in Volunteered Geographic Information (VGI) projects is proposed. VGI is a source of crowdsourced geographic data and information which is comparable, and in some cases better, than equivalent data from ...
Peter Mooney   +5 more
doaj   +1 more source

Mapping citizens’ emotions: participatory planning support system in Olomouc, Czech Republic

open access: yesJournal of Maps, 2019
Community mapping and emotional cartography have close links to participatory planning in the urban environment. The case study presented in this paper describes the deployment of the Emotional Maps platform for the collection and visualisation of ...
Jiří Pánek
doaj   +1 more source

“Contextualized VGI” Creation and Management to Cope with Uncertainty and Imprecision

open access: yesISPRS International Journal of Geo-Information, 2016
This paper investigates the causes of imprecision of the observations and uncertainty of the authors who create Volunteer Geographic Information (VGI), i.e., georeferenced contents generated by volunteers when participating in some citizen science ...
Gloria Bordogna   +6 more
doaj   +1 more source

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