Tag: tweets
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Twitter location (sometimes) matters
In contrast to photo-based VGI (e.g. Flickr) the correlation between the place where an information has been created and what the information is about is less intuitive for text-based VGI. In order to gain more insight into the relationship between text information generated in mobile contexts (e.g. via smartphones) and their recorded location, research has…
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Volunteered Geographic Information for Disaster Management: new publications, talks and course
How can we explore geographical relations between social media and authoritative data to enhance information extraction for disaster management? How can collaborative maps of OpenStreetMap be used for supporting risk analysis and emergency planing? These two questions were explored recently by researchers of the GIScience group working on the use of Volunteered Geographic Information for…