Web 2.0 geotagged photos: Assessing the spatial dimension of the phenomenon

摘要: Among popular Web 2.0 applications are the social networking, photo-sharing websites like Flickr, Panoramio, Picasa Web, and Geograph. The phenomenon of user-generated content increased presence geographic information in such have motivated researchers to consider them as a source information. In this paper we question whether web can serve reliable sources spatial content. We differentiate between spatially explicit implicit applications, accordance their declared aims, evaluate if they an impact on distribution geotagged photos for Great Britain. also compare submitted with population data, patterns contribution these over period 18 months. Finally, at larger scale, examine density 15 test areas look into issues data currency user behaviour. Our findings show that only urge users interact directly entities reliable, universal