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Patterns of Geographical Content Contributions Made by the General Public in Response to Natural Disaster Events

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dc.contributor.advisor Stefanidis, Anthony
dc.contributor.author Parker, Stephanie M
dc.creator Parker, Stephanie M
dc.date 2015-01-14
dc.date.accessioned 2015-08-06T18:55:33Z
dc.date.available 2015-08-06T18:55:33Z
dc.date.issued 2015-08-06
dc.identifier.uri https://hdl.handle.net/1920/9722
dc.description.abstract This thesis explores the updating patterns of Volunteered Geographic Information (VGI) in the direct aftermath of natural disasters. OpenStreetMap edits and GDELT reports are studied to explore the location, scope and types of features of such geospatial content contributions, comparing them to the impact of the events under study. The two disasters used for the study included the Moore Tornado in May 2013 and Typhoon Haiyan in November 2013. OpenStreetMap edits and GDELT reports were extracted and queried to answer the respective research questions. Our analysis shows specific patterns regarding each event separately, as well as overarching patterns regarding crowdsourced content. We observe that news reports (in the form of GDLET entries) provide initial indicators of the geographic location and extent of a natural disaster at a coarse resolution. VGI contributions are then emerging to provide a more detailed description of the scope and extent of the disaster impact area. VGI sourced data provides an insight into the infrastructure and locations regarded as either important or areas of greatest
dc.subject volunteer geographic information en_US
dc.subject ambient geospatial information en_US
dc.subject natural disaster en_US
dc.subject crowd sourced content en_US
dc.title Patterns of Geographical Content Contributions Made by the General Public in Response to Natural Disaster Events en_US
dc.type Thesis en
thesis.degree.name Master of Science in Geoinformatics and Geospatial Intelligence en_US
thesis.degree.level Master's en
thesis.degree.discipline Geoinformatics and Geospatial Intelligence en
thesis.degree.grantor George Mason University en


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