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Paper Abstract and Keywords
Presentation 2012-03-09 13:00
Formal Verification of a Telephone System with a Concierge Server
Keito Kurono, Aya Maeda, Yoshinobu Kawabe (Aichi Inst. Tech.) MSS2011-84
Abstract (in Japanese) (See Japanese page) 
(in English) To avoid becoming a victim of phone fraud, it is important to check whether a caller is a scammer or not.
Yamamoto et.al introduced a computer system, called a concierge server, to (semi-)automate this check.
If a phone call is made by a caller, the concierge server asks for the caller's information before connection.
If information obtained from the caller is not appropriate, the phone call is rejected.
In this paper, we formalize a telephone system with a concierge server, and we verify the correctness of the telephone system.
We employ a formal specification language based on I/O-automaton theory to describe the telephone system, and we show the telephone system's correctness by trace equivalence.
Keyword (in Japanese) (See Japanese page) 
(in English) phone fraud / concierge server / I/O-automaton / formal verification / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 453, MSS2011-84, pp. 61-66, March 2012.
Paper # MSS2011-84 
Date of Issue 2012-03-01 (MSS) 
ISSN Print edition: ISSN 0913-5685    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 MSS2011-84

Conference Information
Committee MSS  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) JAIST Tokyo Satellite 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MSS 
Conference Code 2012-03-MSS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Formal Verification of a Telephone System with a Concierge Server 
Sub Title (in English)  
Keyword(1) phone fraud  
Keyword(2) concierge server  
Keyword(3) I/O-automaton  
Keyword(4) formal verification  
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1st Author's Name Keito Kurono  
1st Author's Affiliation Aichi Institute of Technology (Aichi Inst. Tech.)
2nd Author's Name Aya Maeda  
2nd Author's Affiliation Aichi Institute of Technology (Aichi Inst. Tech.)
3rd Author's Name Yoshinobu Kawabe  
3rd Author's Affiliation Aichi Institute of Technology (Aichi Inst. Tech.)
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Speaker Author-3 
Date Time 2012-03-09 13:00:00 
Presentation Time 25 minutes 
Registration for MSS 
Paper # MSS2011-84 
Volume (vol) vol.111 
Number (no) no.453 
Page pp.61-66 
#Pages 6 
Date of Issue 2012-03-01 (MSS) 

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