Enhancing VGI application semantics by accounting for spatial bias
Big Earth Data, 2019 Volunteered geographic information (VGI) is becoming an important source of geospatial big data that support many applications. The application semantics of VGI, i.e.
Guiming Zhang
doaj +1 more source
Estimation of magnitudes of debris flows in selected torrential watersheds in Slovenia [PDF]
, 2006 In this paper the application of different methods for estimation of magnitudes of rainfall-induced debris flows in 18 torrents in the Upper Sava River valley, NW Slovenia, and in 2 torrents in Pohorje, N Slovenia is described. Additional verification of
Mikoš, Matjaž, Sodnik, Jošt
core +2 more sources
VGI BASED URBAN PUBLIC TRANSPORT [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013 Abstract. Recent advances in information technology have made geographic information system (GIS) a powerful and affordable tool for planning and decision making in various fields such as the public transportation. These technologies such as the social network (e.g.
F. Teymurian +3 more
openaire +4 more sources
Qualidade do Posicionamento em Aplicativos VGI Obtido por Sensores de Localização em Smartphones
Revista 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
Telematics 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
Ranking of VGI contributor reputation using an evaluation‐based weighted pagerank
Trans. 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
Optimality of the quasi-score estimator in a mean-variance model with applications to measurement error models [PDF]
, 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
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Online Voltage Stability Assessment for Load Areas Based on the Holomorphic Embedding Method [PDF]
, 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
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Mapping citizens’ emotions: participatory planning support system in Olomouc, Czech Republic
Journal 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
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“Contextualized VGI” Creation and Management to Cope with Uncertainty and Imprecision
ISPRS 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