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Fairness in Submodular Maximization over a Matroid Constraint

Marwa El Halabi · Jakub Tarnawski · Ashkan Norouzi-Fard · Thuy-Duong Vuong

MR1 & MR2 - Number 171
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Fri 3 May 8 a.m. PDT — 8:30 a.m. PDT


Submodular maximization over a matroid constraint is a fundamental problem with various applications in machine learning. Some of these applications involve decision-making over datapoints with sensitive attributes such as gender or race. In such settings, it is crucial to guarantee that the selected solution is fairly distributed with respect to this attribute.Recently, fairness has been investigated in submodular maximization under a cardinality constraint in both the streaming and offline settings, however the more general problem with matroid constraint has only been considered in the streaming setting and only for monotone objectives. This work fills this gap. We propose various algorithms and impossibility results offering different trade-offs between quality, fairness, and generality.

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