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5

6km5km

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8

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Neighbourhood Boundaries by Tom Tayloer http://boundaries.tomtaylor.co.uk/

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Ahern et al. [JCDL 2007] Spatio-Tempo-Social, Mor Naaman

More “activity” in a certain location indicates the importance of that location

Tags that are unique to a certain location can be used to represent the location

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Ahern et al. [JCDL 2007]

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Stanley Milgram, 1976. ”Psychological Maps of Paris”

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Y!RB, 2006 Tag Maps:

World Explorer

Ahern et al. [JCDL 2007] http://tagmaps.research.yahoo.com

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Kennedy et al. [MM 2007, WWW 2008]

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Jan-05

May-05

Sep-05

Jan-06

May-06

Sep-06

Jan-07

May-07

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Spatio-Tempo-Social, Mor Naaman 23 Flickr Trends by Kellan http://flickrtrends.appspot.com

TagLines by Yahoo! http://research.yahoo.com/taglines/

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Flickr Map by Yahoo! http://flickr.com/map/

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Rattenbury et al. [SIGIR 2007]

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Becker et al. [WebDB 2009]

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Leveraging explicitly disclosed location information to understand tourist dynamics: a case study. Girardin et al., Journal of Location Based Services

Digital Footprinting: Uncovering tourists with User-Generated Content. Girardin et al., IEEE PERVASIVE computing

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“Everything [in the world] exists to end up in a photograph” -- Susan Sontag

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Spatio-Tempo-Social, Mor Naaman 41 http://zonetag.research.yahoo.com

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Naaman and Nair [IEEE MM 2009]

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Fireeagle.com

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CitySense by Sense Networks

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From Elizabeth Currid & Sarah Williams

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http://senseable.mit.edu/obama/the_city.html

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