24 citations · 24 across the 3 of their papers we have counts for
5 papers
A two-phase model of collective memory decay with a dynamical switching point
Naoki Igarashi, Yukihiko Okada, Hiroki Sayama +1
Public memories of significant events shared within societies and groups have been conceptualized and studied as collective memory since the 1920s. Thanks to the recent advancement…
Citations and gender diversity in reciprocal acknowledgement networks
Keigo Kusumegi, Yukie Sano
Acknowledgements in scientific articles suggest not only gratitude, but also the interactions among scientists. In this study, we examine the acknowledgement interactions employing…
Identifying long-term periodic cycles and memories of collective emotion in online social media
Yukie Sano, Hideki Takayasu, Shlomo Havlin +1
Collective emotion has been traditionally evaluated by questionnaire survey on a limited number of people. Recently, big data of written texts on the Internet has been available fo…
Configuration model for correlation matrices preserving the node strength
Naoki Masuda, Sadamori Kojaku, Yukie Sano
Correlation matrices are a major type of multivariate data. To examine properties of a given correlation matrix, a common practice is to compare the same quantity between the origi…
Fake news propagate differently from real news even at early stages of spreading
Zilong Zhao, Jichang Zhao, Yukie Sano +6
Social media can be a double-edged sword for society, either as a convenient channel exchanging ideas or as an unexpected conduit circulating fake news through a large population.…