
Winner Determination in Sequential Majority Voting
Lang, Jérôme; Pini, Maria Silvia; Rossi, Francesca; Venable, Kristen Brent; Walsh, Toby (2007), Winner Determination in Sequential Majority Voting, in Veloso, Manuela, IJCAI 2007, International Joint Conferences on Artifical Intelligence - Proceedings, AAAI Press / IJCAI : Palo Alto (USA), p. 1372-1377
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Type
Communication / ConférenceDate
2007Conference country
INDIABook title
IJCAI 2007, International Joint Conferences on Artifical Intelligence - ProceedingsBook author
Veloso, ManuelaPublisher
AAAI Press / IJCAI
Published in
Palo Alto (USA)
Pages
1372-1377
Metadata
Show full item recordAbstract (EN)
Preferences can be aggregated using voting rules.We consider here the family of rules which performa sequence of pairwise majority comparisons between two candidates. The winner thus depends onthe chosen sequence of comparisons, which can berepresented by a binary tree. We address the difficulty of computing candidates that win for sometrees, and then introduce and study the notion offair winner, i.e. candidates who win in a balancedtree. We then consider the situation where we lackcomplete informations about preferences, and determine the computational complexity of computing winners in this case.Subjects / Keywords
Preference representation; voteRelated items
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