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Title: | Aggregation of Partial Rankings - An Approach Based on the Kemeny Ranking Problem | Authors: | NAPOLES RUIZ, Gonzalo DIKOPOULOU, Zoumpolia PAPAGEORGIOU, Elpiniki Bello, Rafael VANHOOF, Koen |
Issue Date: | 2015 | Publisher: | Springer Verlag Berlin | Source: | Rojas, Ignacio; Joya, Gonzalo.; Catala, Andreu (Ed.). Advances in Computational Intelligence, p. 343-355 | Series/Report: | Lecture Notes in Computer Science | Series/Report no.: | 9095 | Abstract: | Aggregating the preference of multiple experts is a very old problem which remains without an absolute solution. This assertion is supported by the Arrow's theorem: there is no aggregation method that simultaneously satisfies three fairness criteria (non-dictatorship, independence of irrelevant alternatives and Pareto efficiency). However, it is possible to find a solution having minimal distance to the consensus, although it involves a NP-hard problem even for only a few experts. This paper presents a model based on Ant Colony Optimization for facing this problem when input data are incomplete. It means that our model should build a complete ordering from partial rankings. Besides, we introduce a measure to determine the distance between items. It provides a more complete picture of the aggregated solution. In order to illustrate our contributions we use a real problem concerning Employer Branding issues in Belgium. | Notes: | [Napoles, Gonzalo; Bello, Rafael] Univ Cent Marta Abreu Las Villas, Santa Clara, Cuba. [Napoles, Gonzalo; Dikopoulou, Zoumpoulia; Vanhoof, Koen] Hasselt Univ, Diepenbeek, Belgium. [Papageorgiou, Elpiniki] Technol Educ Inst Cent Greece, Lamia, Greece. | Keywords: | partial rankings; aggregation; ant colony optimization;Partial rankings; Aggregation; Ant colony optimization | Document URI: | http://hdl.handle.net/1942/19809 | ISBN: | 9783319192215 | DOI: | 10.1007/978-3-319-19222-2_29 | ISI #: | 000363699900029 | Rights: | © Springer International Publishing Switzerland 2015 | Category: | C1 | Type: | Proceedings Paper | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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Aggregation of partial rankings - an approach based on the Kemeny ranking problem.pdf | Peer-reviewed author version | 756.27 kB | Adobe PDF | View/Open |
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