BEGIN:VCALENDAR PRODID:-//Microsoft Corporation//Outlook 16.0 MIMEDIR//EN VERSION:2.0 METHOD:PUBLISH X-MS-OLK-FORCEINSPECTOROPEN:TRUE BEGIN:VTIMEZONE TZID:Central Standard Time BEGIN:STANDARD DTSTART:16011104T020000 RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11 TZOFFSETFROM:-0500 TZOFFSETTO:-0600 END:STANDARD BEGIN:DAYLIGHT DTSTART:16010311T020000 RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3 TZOFFSETFROM:-0600 TZOFFSETTO:-0500 END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT CLASS:PUBLIC CREATED:20220912T205339Z DESCRIPTION:Speaker:\nCristian Huepe - Ad junct Professor\, Engineering Sciences & Applied Mathematics (ESAM)\, Nort hwestern University\, and External Faculty\, Northwestern Institute on Com plex Systems (NICO)\n\nTitle:\nOnline opinions and interactions regarding Covid-19 vaccinations: a Complex Systems analysis\n\nAbstract:\nDigital so cial networks can significantly affect Covid-19 vaccination campaigns\, if well-connected conversations emerge that discourage immunization. Althoug h the information in these platforms could help understand and manage the communities and narratives that influence vaccination\, it has rarely been used to help evaluate or guide public health policy.\nI will present an i nterdisciplinary study in which we analyzed all Chilean tweets related to the Covid-19 vaccines and vaccination process produced during a period of 6 months\, to examine quantitatively and qualitatively the structure and d ynamics of their opinions and interactions in a society that achieved high levels of immunization while experiencing substantial sociopolitical conf lict. We trained a machine learning algorithm to score the tweeting accoun ts from the most pro-vaccine to the most anti-vaccine. We show that four c ategories with distinct tweeting practices and connectivity naturally emer ge: pro-vaccine activists\, anti-vaccine activists\, and moderates that pr omote or inhibit vaccination in discussions\, which also play a key role. Accounts disfavoring vaccination tend to appear in the periphery of the in teraction network\, consistent with Chile’s high immunization levels\, b ut are more active in addressing those favoring vaccination than vice-vers a\, which reveals a potential problem in communication policy. Our results highlight the importance of social networks and online interventions for successful immunization campaigns.\nSpeaker Bio:\n​CHuepeLabs develops r esearch in complex systems\, nonequilibrium physical dynamics and quantita tive social sciences. Current efforts focus on collective motion\, active matter\, complex networks\, modular-hierarchical evolutionary structures\, and opinion formation.\n​CHuepeLabs is a global research team centered on the work of Cristián Huepe in Chicago and at NICO (Northwestern Instit ute on Complex Systems) & ESAM (Applied Math Dept.) at Northwestern Univer sity (USA). CHuepeLabs also include collaborative teams at the School of S ystems Science of Beijing Normal University (China)\, the Middle East Tech nical University ODTÜ/METU (Turkey)\, and the Social Listening Lab SoL-UC (Chile).\nLocation:\nIn person: Chambers Hall\, 600 Foster Street\, Lower Level\nRemote option: https://northwestern.zoom.us/j/92818942739 \nPasscode: NICO22\nAbout the Speaker Series:\nWednesdays@NICO is a vibran t weekly seminar series focusing broadly on the topics of complex systems and data science. It brings together attendees ranging from graduate stude nts to senior faculty who span all of the schools across Northwestern\, fr om applied math to sociology to biology and every discipline in-between. P lease visit: https://bit.ly/WedatNICO for information on future speakers.\ n DTEND;TZID="Central Standard Time":20221109T130000 DTSTAMP:20220912T205339Z DTSTART;TZID="Central Standard Time":20221109T120000 LAST-MODIFIED:20220912T205339Z LOCATION:In person at Chambers Hall\, or remote via Zoom PRIORITY:5 SEQUENCE:0 SUMMARY;LANGUAGE=en-us:Wed@NICO\, 11/9\, Cristian Huepe TRANSP:OPAQUE UID:040000008200E00074C5B7101A82E00800000000A0E8F122BCC6D801000000000000000 010000000DF05EFF45C3FB2409FE0325FACAF7817 X-ALT-DESC;FMTTYPE=text/html:\n

Speaker:

Cristian Huepe - Adjunct Professor\, Engi neering Sciences &\; Applied Mathematics (ESAM)\, Northwestern Universi ty\, and External Faculty\, Northwestern Institute on Complex Systems (NIC O)

Title:

Online op inions and interactions regarding Covid-19 vaccinations: a Complex Systems analysis

Abstract:

Digital social networks can sign ificantly affect Covid-19 vaccination campaigns\, if well-connected conver sations emerge that discourage immunization. Although the information in t hese platforms could help understand and manage the communities and narrat ives that influence vaccination\, it has rarely been used to help evaluate or guide public health policy.

I wi ll present an interdisciplinary study in which we analyzed all Chilean twe ets related to the Covid-19 vaccines and vaccination process produced duri ng a period of 6 months\, to examine quantitatively and qualitatively the structure and dynamics of their opinions and interactions in a society tha t achieved high levels of immunization while experiencing substantial soci opolitical conflict. We trained a machine learning algorithm to score the tweeting accounts from the most pro-vaccine to the most anti-vaccine. We s how that four categories with distinct tweeting practices and connectivity naturally emerge: pro-vaccine activists\, anti-vaccine activists\, and mo derates that promote or inhibit vaccination in discussions\, which also pl ay a key role. Accounts disfavoring vaccination tend to appear in the peri phery of the interaction network\, consistent with Chile’s high immuniza tion levels\, but are more active in addressing those favoring vaccination than vice-versa\, which reveals a potential problem in communication poli cy. Our results highlight the importance of social networks and online int erventions for successful immunization campaigns.

Speaker Bio:

CHuepeLabs develops research in complex syst ems\, nonequilibrium physical dynamics and quantitative social sciences. C urrent efforts focus on collective motion\, active matter\, complex networ ks\, modular-hierarchical evolutionary structures\, and opinion formation.

CHuepeLabs is a global research team centered on the work of Cristián Huepe in Chicago and at NICO (Northwestern Institute on C omplex Systems) &\; ESAM (Applied Math Dept.) at Northwestern Universit y (USA). CHuepeLabs also include collaborative t eams at the School of Systems Science of Beijing Normal University (China) \, the Middle East Technical University ODTÜ/METU (Turkey)\, and the Soci al Listening Lab SoL-UC (Chile).

Location:

In person: Chambers Hall\, 600 Foster St reet\, Lower Level
Remote option: https://northw estern.zoom.us/j/92818942739
Passcode: NICO22

About the Speaker Series:

Wednesdays@NICO is a vibrant weekly seminar series focusing broadly on the topics of complex systems and data science. It brings together attendees ranging from graduate students to se nior faculty who span all of the schools across Northwestern\, from applie d math to sociology to biology and every discipline in-between. Please vis it: https://bit.ly/WedatNICO for in formation on future speakers.

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