Results 91 to 100 of about 4,402 (207)

Characterizing collaborative mapping projects. A methodological framework for analyzing volunteered geographic information and spatial data infrastructure convergence

open access: yesTransactions in GIS, Volume 28, Issue 7, Page 1908-1927, November 2024.
Abstract In this article, we compile and characterize a total of 43 collaborative web map projects by a set of parameters that enable the understanding and comparability of current and future projects. We then develop a comprehensive methodological framework to explore volunteered geographic information (VGI) and spatial data infrastructure (SDI ...
Belén Pedregal   +3 more
wiley   +1 more source

Accurate attribute mapping from volunteered geographic information: issues of volunteer quantity and quality [PDF]

open access: yes, 2015
Crowdsourcing is a popular means of acquiring data, but the use of such data is limited by concerns with its quality. This is evident within cartography and geographical sciences more generally, with the quality of volunteered geographic information (VGI)
Boyd, D.S.   +7 more
core   +2 more sources

Mapping cognitive place associations within the United Kingdom through online discussion on Reddit

open access: yesTransactions of the Institute of British Geographers, Volume 49, Issue 3, September 2024.
Short Abstract This paper explores cognitive place associations; conceptualised as a place‐based mental model that derives subconscious links between geographic locations. Utilising a large corpus of online discussion data from the social media website Reddit, we experiment on the extraction of such geographic knowledge from unstructured text.
Cillian Berragan   +3 more
wiley   +1 more source

VGI ed emergenze

open access: yesGEOmedia, 2016
Availability of up-to-date geographic datasets, including the information voluntarily created by ordinary people, is crucial for disaster management in areas affected by catastrophic events and humanitarian crises. OpenStreetMap (OSM) is the most popular
Flavio Lupia   +4 more
doaj   +2 more sources

Open source data mining infrastructure for exploring and analysing OpenStreetMap [PDF]

open access: yes, 2018
OpenStreetMap and other Volunteered Geographic Information datasets have been explored in the last years, with the aim of understanding how their meaning is rendered, of assessing their quality, and of understanding the community-driven process that ...
Mobasheri, Amin   +2 more
core   +1 more source

Land Data Assimilation: Harmonizing Theory and Data in Land Surface Process Studies

open access: yesReviews of Geophysics, Volume 62, Issue 1, March 2024.
Abstract Data assimilation plays a dual role in advancing the “scientific” understanding and serving as an “engineering tool” for the Earth system sciences. Land data assimilation (LDA) has evolved into a distinct discipline within geophysics, facilitating the harmonization of theory and data and allowing land models and observations to complement and ...
Xin Li   +11 more
wiley   +1 more source

Citizen Science for Urban Forest Management? Predicting the Data Density and Richness of Urban Forest Volunteered Geographic Information

open access: yesUrban Science, 2017
Volunteered geographic information (VGI) has been heralded as a promising new data source for urban planning and policymaking. However, there are also concerns surrounding uneven levels of participation and spatial coverage, despite the promotion of VGI ...
Alec Foster   +2 more
doaj   +1 more source

VGI Edit History Reveals Data Trustworthiness and User Reputation [PDF]

open access: yes, 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 ...
D’Antonio, Fausto   +2 more
core   +1 more source

An Analysis of Quality for Volunteered Geographic Information [PDF]

open access: yes, 2015
In recent years there has been a growing number of online user communities engaged in the creation, visualization, and use of volunteered geographic information (VGI).
Meier, Joel C H
core   +1 more source

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