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A new way to measure crowd count
Researchers at Warwick University have come up with a new method to estimate the size of a large crowd based on geographical data from mobile phones and the social-networking app Twitter. The researchers studied geo-tagged tweets and mobile phone use over a two-month period in Milan, Italy.
London: Researchers at Warwick University have come up with a new method to estimate the size of a large crowd based on geographical data from mobile phones and the social-networking app Twitter. The researchers studied geo-tagged tweets and mobile phone use over a two-month period in Milan, Italy.
In two locations with known visitor numbers, a football stadium and an airport these activities rose and fell in close step with the flow of people. The team said it could enable measurement of events such as protests. Within two months of mobile data provided by Telecom Italia, Botta and his colleagues concentrated on Linate Airport and the San Siro football stadium.
They compared the number of people known to be in those two places, based on flight schedules and football ticket sales, with three measures of mobile phone activity: the number of calls and text messages, the amount of internet use, and volume of tweets.
