649 citations · 1.6k across the 50 of their papers we have counts for
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physics.soc-ph2009★ 3 cited
Statistics of collective human behaviors observed in blog entries
Y. Sano, K. Kaski, M. Takayasu
Collective human behaviors are analyzed using the time series of word appearances in blogs. As expected, we confirm that the number of fluctuations is approximated by a Poisson dis…
physics.soc-ph2009★ 1 cited
Macroscopic and microscopic statistical properties observed in blog entries
Yukie Sano, Misako Takayasu
We observe the statistical properties of blogs that are expected to reflect social human interaction. Firstly, we introduce a basic normalization preprocess that enables us to eval…
physics.soc-ph2009★ 9 cited
The statistical relationship between product life cycle and repeat purchase behavior in convenience stores
Takayuki Mizuno, Misako Takayasu
The density function of product life cycles in convenience stores is found to follow the Weibull distribution. To clarify the parameters that determine these life cycles, we introd…