Diller, M;
Hunter, A;
(2017)
Encoding monotonic multiset preferences using ci-nets1.
In: Mitschang, B and Ritter, N and Schwarz, H and Klettke, M and Thor, A and Kopp, O and Wieland, M, (eds.)
Datenbanksysteme für Business, Technologie und Web (BTW 2017): Workshopband.
(pp. pp. 169-180).
German Infomatics Society: Stuttgart, Germany.
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Abstract
CP-nets and their variants constitute one of the main AI approaches for specifying and reasoning about preferences. CI-nets, in particular, are a CP-inspired formalism for representing ordinal preferences over sets of goods, which are typically monotonic. Considering also that goods often come in multisets rather than sets, a natural question is whether CI-nets can be used more or less directly to encode preferences over multisets. We here provide some initial ideas about this by Ąrst presenting a straight-forward generalisation of CI-nets to multisets with bounded multiplicities, which we show can be eiciently reduced to CI-nets. Second, we sketch a proposal for a further generalisation which allows for encoding preferences over multisets with unbounded multiplicities, yet characterise reasoning in this framework in terms of the Ąrst. We Ąnally show a potential use of our generalisation of CI-nets for personalization in a recent system for evidence aggregation.
| Type: | Proceedings paper |
|---|---|
| Title: | Encoding monotonic multiset preferences using ci-nets1 |
| Event: | 17th Conference on Database Systems for Business, Technology, and Web |
| ISBN-13: | 9783885796602 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | http://btw2017.informatik.uni-stuttgart.de/?pageId... |
| Language: | English |
| Additional information: | Copyright © Gesellschaft für Informatik, Bonn 2017. This book is licensed under a Creative Commons Attribution-NonCommercial 3.0 License. |
| Keywords: | Multiset preferences, CI-nets, evidence aggregation |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10083502 |
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