Global ETD Search
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Showing 1 to 10 of 10 for “"Volunteered Geographic Information (VGI)"”.
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Geo-Analytics of Citizen-Government Interaction: The Integration of Spatial Data Mining, Volunteered Geographic Information (VGI), And Geovisualization To Explore Non-emergency Requests in the State of Kuwait
The rapid and continuous growth of population requires simultaneous provision of public services (or commons) at high spatial and temporal scales. In addition to the commons provision, governments are ought to maintain the commons to be at high quality standards. However, the rapid consumption of …
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Understanding patterns of outdoor recreation in Canadian parks using volunteered geographic information and big data
… managing ecosystem health and services. Volunteered geographic information (VGI) sources can provide researchers and management groups with valuable insights into human activity in these areas. In this thesis, I study how VGI sources can be used to estimate official visitation statistics …
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Personalized route generation for Mountain Biking cycling based on the user’s profile
… route sharing tools. Most of these tools rely on Volunteered Geographic Information (VGI) both to acquire new trails for their databases and to rank them. While these tools are useful in most places, they can be of little to no help in regions with a smaller number of cyclists. This work proposes …
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Social Media Geographic Information (SMGI): opportunities for spatial planning and governance
… from the use of social media platforms as an information resource for supporting design, analysis and decision-making in spatial planning. The widespread diffusion of Web 2.0 technologies and tools such as geobrowsers, Application Programming Interfaces (API), GPS-enabled mobile devices, and …
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Credibility assessment of volunteered geographic information for emergency management: a Bayesian network modeling approach
An emerging paradigm of volunteered geographic information (VGI) in the field of Geography was resulted from recent advances of GPS equipped mobile devices such as the iPhone, and the amount of geographic information and its promptness has been dramatically increased with the participation of …
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Participants' motivations to contribute geographic information in an online community
This dissertation examines volunteered geographic information (VGI), a Web 2.0 phenomenon in which users contribute geographic information online and collaboratively create maps. By examining the case of www.openstreetmap.org, I clarify why people contribute geographic information to an online …
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Foundations for a Network Model of Destination Value Creation
… conducted. The panel data was created utilizing volunteered geographic information (VGI) obtained from 4.6 million photographs shared on Flickr. Results of econometric analysis indicate that both seasonal effects and DVS network structures have statistically significant relationships with total …
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Validating the Quality of Crowdsourced Data for Flood Modeling of Hurricane Harvey in Houston, Texas
… generate flood inundation maps. In these years, Volunteered Geographic Information (VGI) data such as social media and crowdsourced data arise as an alternative and supplementary data source to enhance the exercise of flood inundation mapping. However, compared to authoritative data acquired by …
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Assessing the accuracy of openstreetmap data in south africa for the purpose of integrating it with authoritative data
The introduction and success of Volunteered Geographic Information (VGI) has gained the interest of National Mapping Agencies (NMAs) worldwide. VGI is geographic information that is freely generated by non-experts and shared using VGI initiatives available on the Internet. The NMA of South Africa …