Results 111 to 120 of about 4,589 (214)

An automated GRASS-based procedure to assess the geometrical accuracy of the OpenStreetMap Paris road network [PDF]

, 2016
OpenStreetMap (OSM) is the largest spatial database of the world. One of the most frequently occurring geospatial elements within this database is the road network, whose quality is crucial for applications such as routing and navigation. Several methods
Brovelli, MARIA ANTONIA, Minghini, Marco, Molinari, MONIA ELISA   +2 more
core   +1 more source

Towards mapping road network patterns from volunteered geographic information: a case of openstreetmap in developing cities

Discover Cities
Volunteer-created OpenStreetMap (OSM) provides current and open-access geographic information. In the context of the Neogeography paradigm, Volunteered Geographic Information (VGI), Crowdsourced Geographic Data (CSGD), and Crowdsourced Geographic ...
Farzana Ahad, Huma Rashid, Shamim Ahmad Shah, Mohammad Shafi Bhat, Peer Jeelani   +4 more
doaj   +1 more source

Determining the data quality-influencing characteristics of participants in volunteered geographic information campaigns – the case of maritime disasters

Geomatics, Natural Hazards & Risk
This study analyses how participant characteristics influence the quality of participants in volunteered geographic information (VGI). Despite the wide use of VGI in different areas, the quality of the data collected can vary significantly due to the ...
Marina Tavra, Anka Lisec, Vlado Cetl
doaj   +1 more source

Identifying Evacuation Needs and Resources Based on Volunteered Geographic Information: A Case of the Rainstorm in July 2021, Zhengzhou, China. [PDF]

Int J Environ Res Public Health, 2022
Gao J, Murao O, Pei X, Dong Y.
europepmc   +1 more source

Publication Only

HemaSphere, Volume 9, Issue S1, June 2025.
wiley   +1 more source

Quality control in Volunteered Geographic Information: analysis, representation and proposals for its assessment [PDF]

, 2014
Questo lavoro analizza i contributi geografici volontari come particolare sorgente di informazione in applicazioni di carattere scientifico o professionale, approfondendone la principale criticità: la qualità. Dopo aver fornito un quadro introduttivo,
Bordogna, Gloria, Carrara, Paola, Criscuolo, Laura, Pepe, Monia   +3 more
core   +1 more source

A North-South Problem in Civic-Tech and Volunteered Geographic Information as Countermeasures of COVID-19: A Brief Overview. [PDF]

SN Comput Sci, 2022
Suzuki K.
europepmc   +1 more source

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

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

Comparative study of Land Use/Cover classification using Flickr photos, satellite imagery and Corine land cover database [PDF]

, 2014
Ponencias, comunicaciones y pósters presentados en el 17th AGILE Conference on Geographic Information Science "Connecting a Digital Europe through Location and Place", celebrado en la Universitat Jaume I del 3 al 6 de junio de 2014.Volunteered ...
Estima, Jacinto, Fonte, Cidália C., Painho, Marco   +2 more
core   +1 more source