Dense and influential core promotion of daily viral information spread in political echo chambers

Abstract Despite the intensive study of the viral spread of fake news in political echo chambers (ECs) on social networking services (SNSs), little is known regarding the underlying structure of the daily information spread in these ECs. Moreover, the effect of SNSs on opinion polarisation is still...

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Autores principales:	Kimitaka Asatani, Hiroko Yamano, Takeshi Sakaki, Ichiro Sakata
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4790bb6326bd493bab62c2caa5042b2b
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spelling	oai:doaj.org-article:4790bb6326bd493bab62c2caa5042b2b2021-12-02T18:15:33ZDense and influential core promotion of daily viral information spread in political echo chambers10.1038/s41598-021-86750-w2045-2322https://doaj.org/article/4790bb6326bd493bab62c2caa5042b2b2021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86750-whttps://doaj.org/toc/2045-2322Abstract Despite the intensive study of the viral spread of fake news in political echo chambers (ECs) on social networking services (SNSs), little is known regarding the underlying structure of the daily information spread in these ECs. Moreover, the effect of SNSs on opinion polarisation is still unclear in terms of pluralistic information access or selective exposure to opinions in an SNS. In this study, we confirmed the steady, highly independent nature of left- and right-leaning ECs, both of which are composed of approximately 250,000 users, from a year-long reply/retweet network of 42 million Japanese Twitter users. We found that both communities have similarly efficient information spreading networks with densely connected and core-periphery structures. Core nodes resonate in the early stages of information cascades, and unilaterally transmit information to peripheral nodes. Each EC has resonant core users who amplify and steadily spread information to a quarter of a million users. In addition, we confirmed the existence of extremely aggressive users of ECs who co-reply/retweet each other. The connection between these users and top influencers suggests that the extreme opinions of the former group affect the entire community through the top influencers.Kimitaka AsataniHiroko YamanoTakeshi SakakiIchiro SakataNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kimitaka Asatani Hiroko Yamano Takeshi Sakaki Ichiro Sakata Dense and influential core promotion of daily viral information spread in political echo chambers
description	Abstract Despite the intensive study of the viral spread of fake news in political echo chambers (ECs) on social networking services (SNSs), little is known regarding the underlying structure of the daily information spread in these ECs. Moreover, the effect of SNSs on opinion polarisation is still unclear in terms of pluralistic information access or selective exposure to opinions in an SNS. In this study, we confirmed the steady, highly independent nature of left- and right-leaning ECs, both of which are composed of approximately 250,000 users, from a year-long reply/retweet network of 42 million Japanese Twitter users. We found that both communities have similarly efficient information spreading networks with densely connected and core-periphery structures. Core nodes resonate in the early stages of information cascades, and unilaterally transmit information to peripheral nodes. Each EC has resonant core users who amplify and steadily spread information to a quarter of a million users. In addition, we confirmed the existence of extremely aggressive users of ECs who co-reply/retweet each other. The connection between these users and top influencers suggests that the extreme opinions of the former group affect the entire community through the top influencers.
format	article
author	Kimitaka Asatani Hiroko Yamano Takeshi Sakaki Ichiro Sakata
author_facet	Kimitaka Asatani Hiroko Yamano Takeshi Sakaki Ichiro Sakata
author_sort	Kimitaka Asatani
title	Dense and influential core promotion of daily viral information spread in political echo chambers
title_short	Dense and influential core promotion of daily viral information spread in political echo chambers
title_full	Dense and influential core promotion of daily viral information spread in political echo chambers
title_fullStr	Dense and influential core promotion of daily viral information spread in political echo chambers
title_full_unstemmed	Dense and influential core promotion of daily viral information spread in political echo chambers
title_sort	dense and influential core promotion of daily viral information spread in political echo chambers
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4790bb6326bd493bab62c2caa5042b2b
work_keys_str_mv	AT kimitakaasatani denseandinfluentialcorepromotionofdailyviralinformationspreadinpoliticalechochambers AT hirokoyamano denseandinfluentialcorepromotionofdailyviralinformationspreadinpoliticalechochambers AT takeshisakaki denseandinfluentialcorepromotionofdailyviralinformationspreadinpoliticalechochambers AT ichirosakata denseandinfluentialcorepromotionofdailyviralinformationspreadinpoliticalechochambers
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Dense and influential core promotion of daily viral information spread in political echo chambers

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