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Evaluating Content Exposure Bias in Social Networks

Published: 15 March 2024 Publication History

Abstract

Online social platforms employ personalized feed algorithms to gather and prioritize messages from accounts followed by users, which distorts content's perceived popularity prior to personalization. We call this "exposure bias," and our research focuses on quantifying it using diverse exposure bias metrics, and we evaluate recommendation algorithms through various content ranking heuristics. Similarly we simulate activity in a network to assess the influence of such ranking heuristics on exposure bias. Furthermore, we are working on agent-based model simulations to comprehend the impact of ranking schemes, with the ultimate goal of exploring intervention effects over time. Our empirical findings reveal that users exposed to popularity-based feeds experience significantly lower exposure bias compared to chronologically-ordered feeds.

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Index Terms

  1. Evaluating Content Exposure Bias in Social Networks
    Index terms have been assigned to the content through auto-classification.

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    cover image ACM Conferences
    ASONAM '23: Proceedings of the 2023 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining
    November 2023
    835 pages
    ISBN:9798400704093
    DOI:10.1145/3625007
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Published: 15 March 2024

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    Author Tags

    1. auditing
    2. exposure bias
    3. recommendations

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    Overall Acceptance Rate 116 of 549 submissions, 21%

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