Group Fairness in Committee Selection
Group Fairness in Committee Selection
复制标题
委员会选举中的群体公平性
DOI:
10.1145/3328526.3329577
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
Wang, Kangning
中科院分区:
文献类型:
--
作者:
Cheng, Yu;Jiang, Zhihao;Munagala, Kamesh;Wang, Kangning
In this article, we studyfairnessin committee selection problems. We consider a general notion of fairness via stability: A committee isstableif no coalition of voters can deviate and choose a committee of proportional size, so that all these voters strictly prefer the new committee to the existing one. Our main contribution is to extend this definition to stability of a distribution (or lottery) over committees. We consider two canonical voter preference models: the ApprovalSetsetting where each voter approves a set of candidates and prefers committees with larger intersection with this set; and the RankingRepresentativesetting where each voter ranks committees based on how much she likes her favorite candidate in a committee. Our main result is to show that stable lotteries always exist for these canonical preference models. Interestingly, given preferences of voters over committees, the procedure for computing an approximately stable lottery is thesamefor both models and therefore extends to the setting where some voters have the former preference structure and others have the latter. Our existence proof uses the probabilistic method and a new large deviation inequality that may be of independent interest.
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DOI:
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发表时间:
2016
期刊:
Workshop on Internet and Network Economics
影响因子:
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作者:
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通讯作者:
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DOI:
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期刊:
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期刊:
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DOI:
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发表时间:
2019
期刊:
Proceedings of the ... AAAI Conference on Artificial Intelligence
影响因子:
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作者:
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通讯作者:
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