Results 111 to 120 of about 1,603 (199)

VGI and crisis mapping in an emergency situation. Comparison of four case studies: Haiti, Kibera, Kathmandu, Centre Italy

GEOmedia, 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, Federico Amato, Beniamino Murgante, Gabriele Nolè   +3 more
doaj   +2 more sources

Supporting Urban Energy Efficiency With A Volunteered Geographic Information (VGI) System: A Calgary Case Study

, 2014
The Heat Energy Assessment Technologies (HEAT) project uses high-resolution airborne thermal imagery, GIS cadastral data, and Geographic Object-Based Image Analysis (GEOBIA) to allow the citizens of Calgary, Alberta, Canada to visualize the amount and location of waste heat leaving their houses, communities, and the city.
openaire   +2 more sources

Ten GIS-Based Solutions for Managing and Controlling COVID-19 Pandemic Outbreak. [PDF]

SN Comput Sci, 2022
Samany NN, Liu H, Aghataher R, Bayat M.
europepmc   +1 more source

Evaluating the usefulness of VGI from Waze for the reporting of flash floods. [PDF]

Sci Rep, 2022
Lowrie C, Kruczkiewicz A, McClain SN, Nielsen M, Mason SJ.   +4 more
europepmc   +1 more source

An environmental analysis of public UAP sightings and sky view potential. [PDF]

Sci Rep, 2023
Medina RM, Brewer SC, Kirkpatrick SM.
europepmc   +1 more source

The use of Volunteered Geographic Information (VGI) and Crowdsourcing in Disaster Management: a Systematic Literature Review

, 2013
The number of crisis events around the world has been increasing in the last years and suggests there is a real need to make communities more resilient to them.
Degrossi, Lívia Castro, de Assis, Luiz Fernando Gomes, Horita, Flávio Eduardo Aoki, Zipf, Alexander, de Albuquerque, João Porto   +4 more
core  

Quality Evaluation of Volunteered Geographic Information

, 2017
A large amount of crowd-sourced geospatial data have been created in recent years due to the interactivity of Web 2.0 and the availability of Global Positioning System (GPS).
Jacek Malczewski, Hongyu Zhang
core   +1 more source

Exploring social interaction patterns and drivers in VGI communities using a custom geovisual analytics tool

Annals of GIS
Social interactions among data contributors are essential to the success of many VGI (volunteered geographic information) projects, and the patterns of such interactions are often shaped by geographies in which the contributors are situated.
Guiming Zhang, Wei Luo, Mingguang Wu, Liangfei Ye   +3 more
doaj   +1 more source

Analysis of User Behaviour While Interpreting Spatial Patterns in Point Data Sets. [PDF]

KN J Cartogr Geogr Inf, 2022
Knura M, Schiewe J.
europepmc   +1 more source

Development of a Web GIS for small-scale detection and analysis of COVID-19 (SARS-CoV-2) cases based on volunteered geographic information for the city of Cologne, Germany, in July/August 2020. [PDF]

Int J Health Geogr, 2021
Schmidt F, Dröge-Rothaar A, Rienow A.
europepmc   +1 more source