Results 21 to 30 of about 17,693 (144)

Optimality of the quasi-score estimator in a mean-variance model with applications to measurement error models [PDF]

open access: yes, 2006
We consider a regression of $y$ on $x$ given by a pair of mean and variance functions with a parameter vector $\theta$ to be estimated that also appears in the distribution of the regressor variable $x$. The estimation of $\theta$ is based on an extended
Kukush, Alexander   +2 more
core   +2 more sources

Unravelling the complexity of the Video Game Industry: An integrative framework and future research directions

open access: yesTelematics and Informatics Reports, 2023
The Video Game Industry (VGI) is a highly innovative and rapidly growing sector that has become the dominant force in the entertainment industry, with significant economic and social implications.
Edward Goh, Omar Al-Tabbaa, Zaheer Khan
doaj   +1 more source

Advancing Science with VGI: Reproducibility and Replicability of Recent Studies using VGI [PDF]

open access: yes, 2017
In scientific research, reproducibility and replicability are requirements to ensure the advancement of our body of knowledge. T his holds true also for VGI - related research and studies.
Cheong F   +5 more
core   +2 more sources

VGI QUALITY CONTROL [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
This paper presents a framework for considering quality control of volunteered geographic information (VGI). Different issues need to be considered during the conception, acquisition and post-acquisition phases of VGI creation.
C. C. Fonte   +7 more
doaj   +1 more source

Motivating and Sustaining Participation in VGI [PDF]

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
Brovelli, M., Fritz, S., See, L.
core   +1 more source

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

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

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

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

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