Results 31 to 40 of about 350,897 (268)
International Journal of Geographical Information Science, 2020 More than 10 years have passed since the coining of the term volunteered geographic information (VGI) in 2007. This article presents the results of a review of the literature concerning VGI.
Yingwei Yan +5 more
semanticscholar +1 more source
Linking OpenStreetMap with Knowledge Graphs - Link Discovery for Schema-Agnostic Volunteered Geographic Information [PDF]
Future generations computer systems, 2020 Representations of geographic entities captured in popular knowledge graphs such as Wikidata and DBpedia are often incomplete. OpenStreetMap (OSM) is a rich source of openly available, volunteered geographic information that has a high potential to ...
Nicolas Tempelmeier, Elena Demidova
semanticscholar +1 more source
A Systems Perspective on Volunteered Geographic Information
ISPRS International Journal of Geo-Information, 2014 Volunteered geographic information (VGI) is geographic information collected by way of crowdsourcing. However, the distinction between VGI as an information product and the processes that create VGI is blurred.
Victoria Fast, Claus Rinner
doaj +1 more source
Journal of Spatial Information Science, 2021 A boom in volunteered geographic information has led to extensive data-driven exploration and modeling of places. While many studies have used such data to explore human-environment interaction in urban settings, few have investigated natural, non-urban ...
E. Egorova
semanticscholar +1 more source
Anomaly detection for volunteered geographic information: a case study of Safecast data
International Journal of Geographical Information Science, 2021 Volunteered Geographic Information (VGI), defined as geographic information contributed voluntarily by individuals, has grown exponentially with the aid of ubiquitous GPS-enabled technologies. VGI projects have generated a large amount of geographic data,
Yanan Xin
semanticscholar +1 more source
A framework for regional smart energy planning using volunteered geographic information [PDF]
Advances in Geosciences, 2020 This study presents a framework for regional smart energy planning for the optimal location and sizing of small hybrid systems. By using an optimization model – in combination with weather data – various local energy systems are simulated using the ...
J. Valdes +7 more
doaj +1 more source
Mining volunteered geographic information for predictive energy data analytics
Energy Informatics, 2018 Background Users create serious amounts of Volunteered Geographic Information (VGI) in Online platforms like OpenStreetMap or in real estate portals. Harvesting such data with the help of business analytics and machine learning methods yield promising ...
Konstantin Hopf
doaj +1 more source
Volunteered Geographic Information
, 2020 Volunteered geographic information (VGI) is spatial data that are gathered and shared by individuals to derive information about the world. VGI has largely been embraced due to the pervasiveness of mobile devices and affordances offered by the locational sensors that are housed within them.
openaire +1 more source
WaterRiver water is one of the most important natural resources for economic development and environmental sustainability. However, river water systems are vulnerable in some of the densely populated regions across the globe.
Mansour Bayazidy +6 more
semanticscholar +1 more source
VOLUNTEER GEOGRAPHIC INFORMATION IN AFRICA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019 Abstract. During the past few years much effort has been put into developing community-based methods to capture and analyze a large amount of data in a systematic manner. This new source of geo-referenced data could be very important throughout Africa where crowd sourcing activities or volunteered geographic information (VGI) enhance participation and ...
openaire +3 more sources