解决机器学习系统与用户利益冲突问题,保护用户免受误导性信息影响。
Learning with Conflicts of Interest
- 基于博弈论建模系统与用户间的利益冲突
- 算法可最大化有益信息传递,最小化偏差与操控行为
- 适合关注模型公平性与用户保护的研究者
金融、社会和政治因素常导致机器学习系统所有者与用户利益不完全一致。当前系统常产生偏见信息,可能诱导用户做出非自身最佳决策。现有解决方案要求系统主动消除偏见,但系统所有者缺乏动力实施,常以表达自由或商业自主为由反对。本文提出一种博弈论框架,显式建模系统与用户之间的利益冲突,利用该冲突信息在保护用户的同时,允许其安全受益于系统。我们设计了具有理论保证的可扩展算法,在交互中最大化有益信息与行为,最小化偏见与操纵行为。
原文摘要 · Abstract (English)
Financial, social, and political factors often prevent the interests of the owners of ML systems and services and their users from being perfectly aligned. ML systems often produce biased information that can influence users to make decisions that are not in their best interest. Current solution approaches require ML systems to implement protocols to mitigate their biases. However, ML system owners usually do not have any incentive to implement these protocols and often argue that it limits their freedom of expression or business. We believe that a successful solution to this problem must recognize the conflict of interest between the ML systems and their users, and use this information to protect users against information that adversely influences their decisions while allowing users to safely benefit from these systems. To this end, we propose a game-theoretic framework that models the interaction between ML systems and users with conflicts of interest. We present scalable algorithms with theoretical guarantees that maximize the amount of desired information and actions and minimize the amount of biased and manipulative actions in interaction with ML systems.
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