Results 21 to 30 of about 350,897 (268)
The utility of using Volunteered Geographic Information (VGI) for evaluating pluvial flood models.
Science of the Total Environment, 2023 Pluvial floods are increasingly threatening urban environments worldwide due to human-induced climate change. High-resolution, state-of-the-art pluvial flood models are urgently needed to inform climate change adaptation and disaster risk reduction ...
M. Drews +8 more
semanticscholar +1 more source
International Journal of Digital Earth, 2023 Raw observations (carrier-phase and code observations) from the Global Navigation Satellite System (GNSS) can now be accessed from Android mobile phones (Version 7.0 onwards).
L. See +12 more
semanticscholar +1 more source
Volunteered Geographic Information (VGI) in Spatial Data Infrastructure (SDI) Continuum
EAI Endorsed Transactions on Internet of Things, 2023 Spatial data infrastructure (SDI) is a system that supports the management and use of geospatial data and related resources. It involves the creation and maintenance of a network of organizations, people, and technology that enables the sharing of ...
K. Shahi
semanticscholar +1 more source
Multiple sources of volunteered geographic information strengthen holistic estimates of lake visitation [PDF]
PLoS ONERachel M. Fricke +2 more
doaj +2 more sources
Cartography and Geographic Information Science, 2023 Volunteered geographic information (VGI) offers a solution to inequalities in authoritative map data that can limit our response to humanitarian crises. However, sustaining voluntary contributions of map data can be difficult and hybrid machine learning ...
Kirsty Watkinson +2 more
semanticscholar +1 more source
TOWARDS RULE-GUIDED CLASSIFICATION FOR VOLUNTEERED GEOGRAPHIC INFORMATION [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 Crowd-sourcing, especially in form of Volunteered Geographic Information (VGI) significantly changed the way geographic data is collected and the products that are generated from them.
A. Loai Ali +3 more
doaj +1 more source
Flood severity mapping from Volunteered Geographic Information by interpreting water level from images containing people: a case study of Hurricane Harvey [PDF]
Isprs Journal of Photogrammetry and Remote Sensing, 2020 With increasing urbanization, in recent years there has been a growing interest and need in monitoring and analyzing urban flood events. Social media, as a new data source, can provide real-time information for flood monitoring.
Yu Feng, C. Brenner, Monika Sester
semanticscholar +1 more source
ISPRS International Journal of Geo-Information, 2022 Knowledge and experiences of violence transform the ways in which individuals perceive the urban landscape, construct and reproduce (un)safety, and make everyday decisions regarding mobility and the use of space.
Cléssio Moura de Souza +2 more
doaj +1 more source
ISPRS Int. J. Geo Inf., 2022 Spatial data infrastructures (SDIs) have been implemented for the last four decades in most countries. One of the key objectives of SDIs is to ensure the quick availability and accessibility of spatial data.
Munir Ahmad, M. S. H. Khayal, A. Tahir
semanticscholar +1 more source
Geo-Spatial Information Science, 2022 Geographical studies of outdoor activities have increased in recent years with the rise in popularity of these activities worldwide, including in Japan. Volunteered geographic information (VGI) is a key tool for organizing outdoor activities as it offers
Jun Yamashita +3 more
semanticscholar +1 more source