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The complexity of bribery in network-based rating systems
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Grandi, Umberto, Stewart, James and Turrini, Paolo (2018) The complexity of bribery in network-based rating systems. In: The Thirty-Second AAAI Conference on Artificial Intelligence (AAAI-18), New Orleans, 02-07 Feb 2018. Published in: Proceedings The Thirty-Second AAAI Conference on Artificial Intelligence (AAAI-18), 2018 pp. 1047-1054.
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Abstract
We study the complexity of bribery in a network-based rating system, where individuals are connected in a social network and an attacker, typically a service provider, can influence their rating and increase the overall profit. We derive a number of algorithmic properties of this framework, in particular we show that establishing the existence of an optimal manipulation strategy for the attacker is NP-complete, even with full knowledge of the underlying network structure.
| Item Type: | Conference Item (Paper) | ||||||
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| Subjects: | Q Science > QA Mathematics Z Bibliography. Library Science. Information Resources > Z665 Library Science. Information Science |
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| Divisions: | Faculty of Science > Computer Science | ||||||
| Library of Congress Subject Headings (LCSH): | Recommender systems (Information filtering), Game theory, Bribery, Decision making | ||||||
| Journal or Publication Title: | Proceedings The Thirty-Second AAAI Conference on Artificial Intelligence (AAAI-18) | ||||||
| Publisher: | Association for the Advancement of Artificial Intelligence (AAAI) | ||||||
| Official Date: | 25 April 2018 | ||||||
| Dates: |
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| Date of first compliant deposit: | 21 November 2017 | ||||||
| Date of first compliant Open Access: | 7 February 2019 | ||||||
| Volume: | 2018 | ||||||
| Page Range: | pp. 1047-1054 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||
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| Conference Paper Type: | Paper | ||||||
| Title of Event: | The Thirty-Second AAAI Conference on Artificial Intelligence (AAAI-18) | ||||||
| Type of Event: | Conference | ||||||
| Location of Event: | New Orleans | ||||||
| Date(s) of Event: | 02-07 Feb 2018 | ||||||
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