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Paper Abstract and Keywords
Presentation 2017-05-13 14:00
λ Group Strategy Proof Mechanisms for the Obnoxious Facility Game in Star Networks
Yuhei Fukui, Aleksandar Shurbevski, Hiroshi Nagamochi (Kyoto Univ.) COMP2017-9
Abstract (in Japanese) (See Japanese page) 
(in English) In the obnoxious facility game, we design mechanisms that output a location of an undesirable facility based on the locations of players reported by themselves.
The benefit of a player is defined to be the distance between her location and the facility.
A player may try to manipulate the output of the mechanism by strategically misreporting her location.
We wish to design a $lambda$-group strategy-proof mechanism i.e., for every group of players, at least one player in the group cannot gain strictly more than $lambda$ times her primary benefit by having the entire group change their reports simultaneously.
In this paper, we design an $k$-candidate $lambda$-group strategy-proof mechanism for the obnoxious facility game in the metric defined by $k$ half lines with a common endpoint such that each candidate is a point in each of the half-lines at the same distance to the common endpoint as other candidates.
Then, we show that the benefit ratio of the mechanism is at most $1+1/(k-1)lambda$. Finally, we prove that the bound is nearly tight.
Keyword (in Japanese) (See Japanese page) 
(in English) mechanism design / obnoxious facility game / strategy proof / star network / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 28, COMP2017-9, pp. 61-68, May 2017.
Paper # COMP2017-9 
Date of Issue 2017-05-05 (COMP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee COMP IPSJ-AL  
Conference Date 2017-05-12 - 2017-05-13 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To COMP 
Conference Code 2017-05-COMP-AL 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) λ Group Strategy Proof Mechanisms for the Obnoxious Facility Game in Star Networks 
Sub Title (in English)  
Keyword(1) mechanism design  
Keyword(2) obnoxious facility game  
Keyword(3) strategy proof  
Keyword(4) star network  
1st Author's Name Yuhei Fukui  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Aleksandar Shurbevski  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hiroshi Nagamochi  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2017-05-13 14:00:00 
Presentation Time 30 
Registration for COMP 
Paper # IEICE-COMP2017-9 
Volume (vol) IEICE-117 
Number (no) no.28 
Page pp.61-68 
#Pages IEICE-8 
Date of Issue IEICE-COMP-2017-05-05 

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