Results 31 to 40 of about 1,603 (199)
ISPRS International Journal of Geo-Information, 2022 Resilience in the urban context can be described as a continuum of absorptive, adaptive, and transformative capacities. The need to move toward a sustainable future and bounce forward after any disruption has led recent urban resilience initiatives to ...
Mahsa Moghadas +3 more
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Hydrology, 2023 The primary objective of this study was to examine the quality of volunteered geographic information (VGI) data for flood mapping of Hurricane Harvey. As a crowdsourcing platform, the U-Flood project mapped flooded streets in the Houston metro area. This research examines the following: (1) If there are any significant differences in water depth (WD ...
T. Edwin Chow +2 more
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Future Internet, 2014 User-generated content (UGC) platforms on the Internet have experienced a steep increase in data contributions in recent years. The ubiquitous usage of location-enabled devices, such as smartphones, allows contributors to share their geographic ...
Pascal Neis, Dennis Zielstra
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Crowdsourcing Street View Imagery: A Comparison of Mapillary and OpenStreetCam
ISPRS International Journal of Geo-Information, 2020 Over the last decade, Volunteered Geographic Information (VGI) has emerged as a viable source of information on cities. During this time, the nature of VGI has been evolving, with new types and sources of data continually being added.
Ron Mahabir +4 more
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ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015 This paper presents a framework for considering quality control of volunteered geographic information (VGI). Different issues need to be considered during the conception, acquisition and post-acquisition phases of VGI creation.
C. C. Fonte +7 more
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Geo-spatial Information Science, 2023 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
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Volunteered Geographic Information and Computational Geography: New Perspectives
, 2012 Volunteered geographic information (VGI), one of the most important types of user-generated web content, has been emerging as a new phenomenon. VGI is contributed by numerous volunteers and supported by web 2.0 technologies.
Jiang, Bin,, Bin Jiang
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Integrating Spatial Data Infrastructures (SDIs) with Volunteered Geographic Information (VGI) creating a Global GIS platform [PDF]
, 2017 Spatial Data Infrastructures (SDIs) are a special category of data hubs that involve technological and human resources and follow well defined legal and technical procedures to collect, store, manage and distribute spatial data. INSPIRE is the EU’s authoritative SDI in which each Member State provides access to their spatial data across a wide spectrum
Demetriou D +3 more
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Semantically enriching VGI in support of implicit feedback analysis
, 2011 Paper presented at the 10th International Symposyum on Web and Wireless Geographical Information Systems, 3-4 March 2011, Kyoto, JapanIn recent years, the proliferation of Volunteered Geographic Information (VGI) has enabled many Internet users to ...
Michela Bertolotto +3 more
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Shared Aerial Drone Videos — Prospects and Problems for Volunteered Geographic Information Research
Open Geosciences, 2019 The practice of producing drone videos for hobby or commercial purposes has already created a vast amount of open and free video datasets. When these videos are properly authored, time-stamped and geo-referenced, they receive characteristics of ...
Stankov Uglješa +6 more
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