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Using social media to capture neighborhood ambiance

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The spirit, or ambiance, of places impacts our daily perceptions and, in the long ... we defined a 3-level taxonomy of urban ambiance: the first and more ...
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144The Spirit of the City: Using Social Media to CaptureNeighborhood AmbianceMIRIAM REDI, Nokia Bell Labs, United KingdomLUCA MARIA AIELLO, Nokia Bell Labs, United KingdomROSSANO SCHIFANELLA, University of Turin, ItalyDANIELE QUERCIA, Nokia Bell Labs, United KingdomPlace ambiance has a huge influence over how we perceive places. Despite its importance, ambiance hasbeen crucially overlooked by urban planners and scientists alike, not least because it is difficult to recordand analyze at scale. We explored the possibility of using social media data to reliably map the ambianceof neighborhoods in the entire city of London. To this end, we collected geo-referenced picture tags fromFlickr and matched those tags with the words in a newly created ambiance dictionary. In so doing, we madefour main contributions: i) map the ambiance of London neighborhoods; ii) ascertain that such a mappingmeets residents’ expectations, which are derived from a survey we conducted; iii) show that computer visio...