activity
20102019
most citedOpinion Dynamics Theory for Analysis of Consensus Formation and Division of Opinion on the Internet

18 citations · 39 across the 12 of their papers we have counts for

collaborators
Showing physics.soc-phShow all

10 papers · 1 filter

physics.soc-ph2019

The Influence of Social Media Writing on Online Search Behavior for Seasonal Events: The Sociophysics Approach

Nozomi Okano, Masaru Higashi, Akira Ishii

Using seasonal topics as the study subject, in this study, we focus on the timing gap between social media writing and online search behavior. To conduct our analysis, we used the…

physics.soc-ph2018★ 18 cited

Opinion Dynamics Theory for Analysis of Consensus Formation and Division of Opinion on the Internet

Akira Ishii, Yasuko Kawahata

The massive amount of text data on the web has facilitated research on the quantitative analysis of public opinion, which could not be visualized earlier. In this paper, we propose…

physics.soc-ph2018★ 1 cited

Analysis of social media content and search behavior related to seasonal topics using the sociophysics approach

Akira Ishii, Toshimichi Wakabayashi, Nozomi Okano +1

We studied the time interval between posting social media content and search action related to seasonal topics. The analysis was performed using a mathematical model of the search…

physics.soc-ph2017★ 4 cited

Analysis and Predictions of Social Phenomena via social media using Social Physics method

Akira Ishii

As a method of analyzing and predicting social phenomena using social media as data, we propose a method using a mathematical model of hit phenomenon which is the theory of social…

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…

physics.soc-ph2015★ 1 cited

Mathematical model for hit phenomena and its application to analyze popularity of weekly tv drama

Akira Ishii, Akiko Kitao, Tsukasa Usui +1

Mathematical model for hit phenomena presented by A Ishii et al in 2012 has been extended to analyze and predict a lot of hit subject using social network system. The equation for…

physics.soc-ph2011★ 2 cited

Mathematical model for hit phenomena as stochastic process of interactions of human interactions

Akira Ishii, Hisashi Arakaki, Naoya Matsuda +4

Mathematical model for hit phenomena in entertainments in the society is presented as stochastic process of interactions of human dynamics. The model use only the time distribution…

physics.soc-ph2011★ 5 cited

Revenue Prediction of Local Event using Mathematical Model of Hit Phenomena

Akira Ishii, Takehiro Matsumoto, Shinji Miki

Theoretical approach to investigate human-human interaction in society performed using a many-body theory including human-human interaction. The advertisement is treated as an exte…

physics.soc-ph2010★ 2 cited

Mathematical Model for Hit Phenomena

Akira Ishii, Sanae Umemura, Takefumi Hayashi +4

The mathematical model for hit phenomena in entertainments is presented as a nonlinear, dynamical and non-equilibrium phenomena. The purchase intention for each person is introduce…