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DTSTART;TZID=Europe/Amsterdam:20220208T100000
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SUMMARY:POPNET Connects with David Schoch
DESCRIPTION:Please register for the seminar via the button. You will receive a link to the virtual meeting via email.   \n\n\n\n\nRegister\n\n\n\n\nRethinking one-mode projections\n\n\n\nTwo-mode networks are usually analyzed in one of two ways. With the “direct” approach using methods tailored for bipartite graphs\, or with the “conversion” approach\, which includes all methods that project the two-mode network onto each mode separately.In this talk\, I focus on one-mode projections where one mode serves as the primary mode and the second mode only as a proxy for relations among actors in the primary mode. Drawing parallels to item response theory\, I argue that projected (and dichotomized) ties are conceptually different than traditional ties\, which therefore restricts the applicability and interpretability of standard network analytic tools in such cases. I will introduce a set of alternative methods to analyze one-mode projections and exemplify these with several empirical examples. \n\n\n\nAbout David Schoch\n\n\n\n\n\n\n\nDavid came to Manchester in September 2018 as a Presidential Fellow in Sociology. He received his PhD in 2015 at the Department of Computer and Information Science\, University of Konstanz\, Germany. During that time\, He was also a member of the Graduate School of Decision Sciences. His thesis focused on theoretical advancements for network centrality in the field of social network analysis. He continued as a postdoctoral researcher at the University of Konstanz (11/2015-10/2017) and ETH Zurich (11/2017-8/2018). David also holds a diploma in economathematics from the Karlsruhe Institute of Technology\, Germany.In his current research\, he focuses on methodological and theoretical contributions to the field of Social Network Analysis. Additionally\, he is involved in a project on disinformation campaigns on social media platforms (“political astroturfing”).
URL:https://www.popnet.io/events/popnet-connects-with-david-schoch/
CATEGORIES:Seminar
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DTSTART;TZID=Europe/Amsterdam:20220221T100000
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SUMMARY:POPNET Connects with Fariba Karimi
DESCRIPTION:Please register for the seminar via the button. You will receive a link to the virtual meeting via email.    \n\n\n\n\nRegister\n\n\n\n\nNetwork Inequality: Emergence of inequalities and bias in social networks\n\n\n\nIn this talk\, I show how fundamental properties of social interactions such as homophily can result in the emergence of inequalities and biases in society and algorithms and what societal consequences it has on the visibility of minorities. \n\n\n\n\n\n\n\nAbout Fariba Karimi\n\n\n\nFariba Karimi is leading the Network Inequality group at Complexity Science Hub. \n\n\n\nHer expertise encompasses network analysis\, computational social science\, data science\, and agent-based modeling. Her current research focuses on emergence of inequalities and biases in social networks and online algorithms. She has recently awarded a Digital Humanism grant to study the impact of algorithms on exacerbating social inequalities. \n\n\n\nHer research appears in leading journals including Nature Human Behavior\, Scientific Reports\, Nature Humanities and Social Sciences Communications\, Advances in Complex Systems\, and EPJ Data Science. She is among the 7 candidates for the Hedy Lamarr Prize of the city of Vienna honoring women researchers in Austria for their outstanding achievements in the field of information technology.
URL:https://www.popnet.io/events/popnet-connects-with-fariba-karimi/
CATEGORIES:Seminar
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