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Hayafumi Watanabe

J. Phys. Complex. 4 025018 (2023)

A two-phase model of collective memory decay with a dynamical switching point

Naoki Igarashi, Yukihiko Okada, Hiroki Sayama, and Yukie Sano

Sci Rep 12 21484 (2022)

Classification of endogenous and exogenous bursts in collective emotions based on Weibo comments during COVID-19

Qianyun Wu, Yukie Sano, Hideki Takayasu, and Misako Takayasu

Sci Rep 12 3120 (2022)

Data-driven modeling reveals the Western dominance of global public interest in earthquakes

Jonghun Kam, Jihun Park, Wanyun Shao, Junho Song, Jinhee Kim, Fabrizio Terenzio Gizzi, Donatella Porrini, and Young-Joo Suh

Humanit Soc Sci Commun 8 242 (2021)

Relations between anomalous diffusion and fluctuation scaling: the case of ultraslow diffusion and time-scale-independent fluctuation scaling in language

Hayafumi Watanabe

Eur. Phys. J. B 94 227 (2021)

Monitoring of Drought Awareness from Google Trends: A Case Study of the 2011–17 California Drought

Jonghun Kam, Kimberly Stowers, and Sungyoon Kim

Weather, Climate, and Society 11 419 (2019)

Tracking Poisson Parameter for Non-Stationary Discontinuous Time Series with Taylor’s Abnormal Fluctuation Scaling

Gen Sakoda, Hideki Takayasu, and Misako Takayasu

Stats 2 55 (2019)

Methods for Information Diffusion Analysis

A. A. Avetisyan, M. D. Drobyshevskiy, D. Yu. Turdakov, and Tsolak Ghukasyan

Program Comput Soft 45 372 (2019)

Computational socioeconomics

Jian Gao, Yi-Cheng Zhang, and Tao Zhou

Physics Reports 817 1 (2019)

Public Interest Immersed in the Field of Information Environment: How has Japanese Interest in Energy and Environmental Problems Varied?

Teruaki Ohnishi and Keiji Shimano

Rep. Adv. Phys. Sci. 02 1850005 (2018)

Empirical observations of ultraslow diffusion driven by the fractional dynamics in languages

Hayafumi Watanabe

Phys. Rev. E 98 012308 (2018)

Existence of outsiders as a characteristic of online communication networks

TARO TAKAGUCHI, TAKANORI MAEHARA, KEN-ICHI KAWARABAYASHI, and MASASHI TOYODA

Net Sci 6 431 (2018)

Sociophysics Analysis of the Dynamics of Peoples' Interests in Society

Akira Ishii and Yasuko Kawahata

Front. Phys. 6 89 (2018)

A model of spreading of sudden events on social networks

Jiao Wu, Muhua Zheng, Zi-Ke Zhang, Wei Wang, Changgui Gu, and Zonghua Liu

Chaos: An Interdisciplinary Journal of Nonlinear Science 28 033113 (2018)

A mathematical model for the occurrence of historical events

Teruaki Ohnishi

J. Phys.: Conf. Ser. 936 012024 (2017)

No title available

Haruka Adachi and Mikito Toda

No title available

Akira Ishii, Takayuki Mizuno, and Yasuko Kawahata

No title available

Kenta Yamada

Analysis of behavior of attenuation of social memories on movie and social scandal using sociophysics approach

Akira Ishii and Takuma Koyabu

Stochastic Systems Theory and its Applications (SSS) 2016 204 (2016)

Reply trees in Twitter: data analysis and branching process models

Ryosuke Nishi, Taro Takaguchi, Keigo Oka, Takanori Maehara, Masashi Toyoda, Ken-ichi Kawarabayashi, and Naoki Masuda

Soc. Netw. Anal. Min. 6 26 (2016)

Property of Fluctuations of Sales Quantities by Product Category in Convenience Stores

Gaku Fukunaga, Hideki Takayasu, Misako Takayasu, and Wei-Xing Zhou

PLoS ONE 11 e0157653 (2016)

A Power-Law Growth and Decay Model with Autocorrelation for Posting Data to Social Networking Services

Toshifumi Fujiyama, Chihiro Matsui, Akimichi Takemura, and Eduardo G. Altmann

PLoS ONE 11 e0160592 (2016)

Dynamics of information diffusion and its applications on complex networks

Zi-Ke Zhang, Chuang Liu, Xiu-Xiu Zhan, Xin Lu, Chu-Xu Zhang, and Yi-Cheng Zhang

Physics Reports 651 1 (2016)

Statistical properties of fluctuations of time series representing appearances of words in nationwide blog data and their applications: An example of modeling fluctuation scalings of nonstationary time series

Hayafumi Watanabe, Yukie Sano, Hideki Takayasu, and Misako Takayasu

Phys. Rev. E 94 052317 (2016)

Switching hierarchical leadership mechanism in homing flight of pigeon flocks

Duxin Chen, Tamás Vicsek, Xiaolu Liu, Tao Zhou, and Hai-Tao Zhang

EPL 114 60008 (2016)

No title available

Yasuko Kawahata and Tamio Koyama

No title available

Olga Kolchyna, Tharsis T. P. Souza, Philip C. Treleaven, and Tomaso Aste

No title available

Xingsheng He and Yu-Ru Lin

Uncovering Spatiotemporal Characteristics of Human Online Behaviors during Extreme Events

Chao Gao, Jiming Liu, and Zi-Ke Zhang

PLoS ONE 10 e0138673 (2015)

How events determine spreading patterns: information transmission via internal and external influences on social networks

Chuang Liu, Xiu-Xiu Zhan, Zi-Ke Zhang, Gui-Quan Sun, and Pak Ming Hui

New J. Phys. 17 113045 (2015)

No title available

Yukie Sano, Hideki Takayasu, and Misako Takayasu

No title available

Haruka Adachi and Mikito Toda

No title available

Hoai Nguyen Huynh, Erika Fille Legara, and Christopher Monterola

Measuring and Modeling Behavioral Decision Dynamics in Collective Evacuation

Jean M. Carlson, David L. Alderson, Sean P. Stromberg, Danielle S. Bassett, Emily M. Craparo, Francisco Guiterrez-Villarreal, Thomas Otani, and Dante R. Chialvo

PLoS ONE 9 e87380 (2014)

Agent Based Simulation of Group Emotions Evolution and Strategy Intervention in Extreme Events

Bo Li, Duoyong Sun, Shuquan Guo, and Zihan Lin

Discrete Dynamics in Nature and Society 2014 1 (2014)

No title available

Aki-Hiro Sato

Probing the Statistical Properties of Unknown Texts: Application to the Voynich Manuscript

Diego R. Amancio, Eduardo G. Altmann, Diego Rybski, Osvaldo N. Oliveira, Luciano da F. Costa, and Matjaz Perc

PLoS ONE 8 e67310 (2013)

Awareness and Learning in Participatory Noise Sensing

Martin Becker, Saverio Caminiti, Donato Fiorella, Louise Francis, Pietro Gravino, Mordechai (Muki) Haklay, Andreas Hotho, Vittorio Loreto, Juergen Mueller, Ferdinando Ricchiuti, Vito D. P. Servedio, Alina Sîrbu, Francesca Tria, and Nikolai Lebedev

PLoS ONE 8 e81638 (2013)

No title available

Ning Shi, Chao Gao, Zili Zhang, Lu Zhong, and Jiajin Huang

Statistical Laws Governing Fluctuations in Word Use from Word Birth to Word Death

Alexander M. Petersen, Joel Tenenbaum, Shlomo Havlin, and H. Eugene Stanley

SSRN Journal (2011)