201 citations · 475 across the 27 of their papers we have counts for
Showing 2017 · physics.soc-phShow all
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physics.soc-ph2017★ 2 cited
Measurement of human activity using velocity GPS data obtained from mobile phones
Yasuko Kawahata, Takayuki Mizuno, Akira Ishii
Human movement is used as an indicator of human activity in modern society. The velocity of moving humans is calculated based on position information obtained from mobile phones. T…
physics.soc-ph2017
Position-sensitive propagation of information on social media using social physics approach
Akira Ishii, Takayuki Mizuno, Yasuko Kawahata
The excitement and convergence of tweets on specific topics are well studied. However, by utilizing the position information of Tweet, it is also possible to analyze the position-s…