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Paper Abstract and Keywords
Presentation 2021-03-04 15:45
Upper and Lower Bounds on the Capacity of Private Information Retrieval Allowing Information Leakage from Queries with Different Limits for Each Database
Naoto Toyoda, Tetsunao Matsuta, Uyematsu Tomohiko (Tokyo Tech) IT2020-133 ISEC2020-63 WBS2020-52
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we consider the private information retrieval using multiple databases with multiple messages in the case where information leakage is allowed. In this private information retrieval, a different restriction is given to each database regarding information leakage from a query about which message was searched. In this paper, under this restriction, we give upper and lower bounds on the capacity which is the maximum number of bits of the desired message per bit of received information from databases.
Keyword (in Japanese) (See Japanese page) 
(in English) private information retrieval / distributed database / capacity / ε-privacy / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 410, IT2020-133, pp. 128-133, March 2021.
Paper # IT2020-133 
Date of Issue 2021-02-25 (IT, ISEC, WBS) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction
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)
Download PDF IT2020-133 ISEC2020-63 WBS2020-52

Conference Information
Committee WBS IT ISEC  
Conference Date 2021-03-04 - 2021-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Joint Meeting of WBS, IT, and ISEC 
Paper Information
Registration To IT 
Conference Code 2021-03-WBS-IT-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Upper and Lower Bounds on the Capacity of Private Information Retrieval Allowing Information Leakage from Queries with Different Limits for Each Database 
Sub Title (in English)  
Keyword(1) private information retrieval  
Keyword(2) distributed database  
Keyword(3) capacity  
Keyword(4) ε-privacy  
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1st Author's Name Naoto Toyoda  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
2nd Author's Name Tetsunao Matsuta  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Uyematsu Tomohiko  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
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Speaker Author-1 
Date Time 2021-03-04 15:45:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2020-133, ISEC2020-63, WBS2020-52 
Volume (vol) vol.120 
Number (no) no.410(IT), no.411(ISEC), no.412(WBS) 
Page pp.128-133 
#Pages
Date of Issue 2021-02-25 (IT, ISEC, WBS) 


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