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DTSTART;TZID=Europe/Amsterdam:20240424T160000
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DTSTAMP:20260413T015238
CREATED:20240418T173506Z
LAST-MODIFIED:20240418T174106Z
UID:7091-1713974400-1713981600@mondai.tudelftcampus.nl
SUMMARY:Escaping the Echo Chamber: The Quest for the Normative News Recommender Systems and a new notion of Computer Science
DESCRIPTION:Mondai | House of AI is pleased to host the new edition of the Distinguished Speaker Series: \nEscaping the Echo Chamber: The Quest for the Normative News Recommender Systems and a new notion of Computer Science Recommender systems and social networks are often faulted to be the cause for creating Echo Chambers – environments where people mostly encounter news that match their previous choices or those that are popular among similar users\, resulting in their isolation inside familiar but insulated information silos. Echo chambers\, in turn\, have been attributed to be one cause for the polarization of society\, which leads to the increased difficulty to promote tolerance\, build consensus\, and forge compromises. To escape these echo chambers\, we propose to change the focus of recommender systems from optimizing prediction accuracy only to considering measures for social cohesion. \nThis proposition raises questions in three spheres: In the technical sphere\, we need to investigate how to build “socially considerate” recommender systems. To that end\, we develop a novel recommendation framework with the goal of improving information diversity using a modified random walk exploration of the user-item graph. In the social sphere\, we need to investigate if the adapted recommender systems have the desired effect. To that end\, we present an empirical pilot study that exposed users to various sets (some diverse) of news with surprising results. Finally\, in the normative sphere\, these studies raise the question what kind of diversity is desirable for the functioning of democracy. \nReflecting the consequences of these findings for our discipline\, this talk highlights that computer science needs to increasingly engage with both the social and normative challenges of our work\, possibly producing a new understanding of our discipline. It proposes similar consequences for other disciplines in that they increasingly need to embrace all three spheres. \nDistinguished Speaker: Abraham Bernstein\, Prof.\, PhD\nis Full Professor at the Department of Informatics (Institut für Informatik) of the University of Zurich. He mainly conducts research on the Semantic Web and Knowledge Discovery. His work draws from both social science (organizational psychology/sociology) and technical foundations (computer science\, artificial intelligence).\nBefore coming to Zurich he was an Assistant Professor at the Information Systems Department of New York University’s Stern School of Business and received a Ph.D. at MIT’s Sloan School of Management\, where he worked with Prof. Thomas W. Malone at the Center for Coordination Science.\n \nThe seminar starts 16.00 sharp! Conversation and contemplation can continue over drinks and snacks after the lecture\,\nWe hope to see you there!
URL:https://mondai.tudelftcampus.nl/event/escaping-the-echo-chamber-the-quest-for-the-normative-news-recommender-systems-and-a-new-notion-of-computer-science/
LOCATION:Mondai | House of AI – Delft\, Molengraaffsingel 29\, Delft\, 2629 JD
ATTACH;FMTTYPE=image/jpeg:https://mondai.tudelftcampus.nl/wp-content/uploads/sites/7/2024/04/avi-talk.jpg
ORGANIZER;CN="Mondai | House of AI":MAILTO:mondai@tudelft.nl
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