Results 111 to 120 of about 17,825 (204)

Visualisation and Communication of VGI Quality

, 2017
The flourishing of VGI projects has transformed the average web user into an eager geographic data user and contributor. As it is difficult for the crowd to perceive VGI quality, visualisation can play a critical role in communicating data quality.
openaire   +2 more sources

Volunteered geographic information use in crisis, emergency and disaster management: a scoping review and a web atlas

Geo-spatial Information Science
Nowadays, an increasing number of crises worldwide, triggered by climate extremes, natural and human-made hazards, the coronavirus pandemic, and more, pose a high pressure on crisis, emergency, and disaster management.
Katerina Tzavella, Andriani Skopeliti, Alexander Fekete   +2 more
doaj   +1 more source

Semantic integration of authoritative and VGI

, 2013
Presentation given at ACTIVITY workshop (AGILE 2013 Conference).
openaire   +1 more source

Combining VGI with Viewsheds for Photo Tag Suggestion

, 2012
In this research we attempt to develop an improved method for tagging of digital photos, making the tagging process simpler and more accurate for users, and thus ultimately increasing the quality of the VGI data as a whole. Our method combines Volunteered Geographic Information (VGI) in the form of tags on photo sharing websites (such as Flickr and ...
Köbben, B., Huisman, O., Lin, HsiangHsu
openaire   +1 more source

Evaluating reputation in VGI-enabled applications

, 2017
Volunteered Geographic Information (VGI) is an approach to crowdsource information about geospatial objects around us, as implemented in Open Street Map, Google Map Maker and WikiMapia projects. The value of this content has been recognized by both researchers and organizations for acquiring free, timely and detailed spatial data versus standard ...
Gusmini, Marco, Jabeur, Nafaâ, Karam, Roula, MELCHIORI, Michele, Renso, Chiara   +4 more
openaire   +3 more sources

Exploratory Data Analysis of Volunteered Geographic Information: case study in the Manuela Sáenz administrative zone of Quito

Latin-American Journal of Computing, 2018
Technological development during the first decade of this century provoked a boom of user-generated, web-shared media. In geography, such trend is called Volunteered Geographic Information; OpenStreetMap (OSM) is its most famed project.
Roger Castro, Marco Luna
doaj  

VOLUNTEERED GEOGRAPHIC INFORMATION MEASURING QUALITY, UNDERSTANDING THE VALUE

GEOmedia, 2016
Oggi la Volunteer Geographic Information (VGI) è onnipresente. Proviene da varie fonti e può essere trovata in molti aspetti tra cui toponimi, tracce GPS, foto geo-tag, applicazioni di social networking, blog, misurazioni dei sensori, mappe topografiche ...
Vyron Antoniu
doaj  

Multiple sources of volunteered geographic information strengthen holistic estimates of lake visitation. [PDF]

PLoS One
Fricke RM, Wood SA, Olden JD.
europepmc   +1 more source

Using deep learning to explore the impacts of street-view green space on school myopia prevalence: a multicenter, cross-sectional study. [PDF]

Sci Rep
Hua D, Yang T, Cui Q, Zhang J, Luo G, Cheng A, Su W, Ming M, Zhou F, Zhang R, Yuan Z, Chen C, Xu Y, Chen Z.   +13 more
europepmc   +1 more source

VGI-käyttö ja tulevaisuus maantieteessä

, 2016
Tämän työn tarkoitus on saada kokonaisvaltainen kuva uudesta maantieteen ja geoinformatiikan ilmiöstä nimeltä volunteered geographic information, VGI. Vastaan kysymyksiin mitä on VGI, mistä ja miksi se on syntynyt, miten se sijoittuu maantieteen termistöön, miten sitä voidaan käyttää apuna tutkimuksenteossa ja vaihtoehtoisena datankeräysmenetelmänä ja ...
openaire   +1 more source