Incompleteness and Incomparability in Preference Aggregation

@inproceedings{Pini2007IncompletenessAI,
  title={Incompleteness and Incomparability in Preference Aggregation},
  author={Maria Silvia Pini and Francesca Rossi and Kristen Brent Venable and Toby Walsh},
  booktitle={IJCAI},
  year={2007}
}
We consider how to combine the preferences of multiple agents despite the presence of incompleteness and incomparability in their preference orderings. An agent’s preference ordering may be incomplete because, for example, there is an ongoing preference elicitation process. It may also contain incomparability as this is useful, for example, in multi-criteria scenarios. We focus on the problem of computing the possible and necessary winners, that is, those outcomes which can be or always are the… CONTINUE READING
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Handbook of Social Choice and Welfare

  • K. J. Arrow, A. K. Sen, K. Suzumara
  • NorthHolland, Elsevier
  • 2002
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