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Paper Abstract and Keywords
Presentation 2020-03-16 16:25
Blockchain-based Trading Log Storing Technology for Reliable Data Trade
Jun Nakajima, Yoji Ozawa (Hitachi), Zhihui Lu, Jie Wu (Fudan Univ.) SC2019-50
Abstract (in Japanese) (See Japanese page) 
(in English) Data trading services, which connect data providing companies and data utilization companies and support corporate growth through data distribution, are attracting attention, while many companies are reluctant to data trading. Many of the current data trading services rely on the trust of the data trading service provider, and it is important to ensure the transparency of the transaction process. Blockchain is attracting attention as a promising technology for solving this kind of problem. When blockchain was applied to the management of transaction log to solve the above problem, it was found that the throughput required for data transaction in actual service was not obtained. Therefore, we proposed a method to reduce the time required for storing transaction logs by integrating and executing multiple transaction log storage requests, and developed and evaluated a blockchain-based transaction log storage technology that applied the proposed method.
In the evaluation, it was confirmed that the transaction log storage in the blockchain could be completed without being proportional to the number of requests, indicating the feasibility of a data transaction service that secured the transparency of the transaction process.
Keyword (in Japanese) (See Japanese page) 
(in English) blockchain / data trading / queuing / log storing / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 482, SC2019-50, pp. 97-102, March 2020.
Paper # SC2019-50 
Date of Issue 2020-03-09 (SC) 
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)
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Conference Information
Committee SC  
Conference Date 2020-03-16 - 2020-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hitachi Central Research Laboratory 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 【Online Conference】 Machine Learning Systems Engineering and Service Computing, etc. 
Paper Information
Registration To SC 
Conference Code 2020-03-SC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blockchain-based Trading Log Storing Technology for Reliable Data Trade 
Sub Title (in English)  
Keyword(1) blockchain  
Keyword(2) data trading  
Keyword(3) queuing  
Keyword(4) log storing  
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1st Author's Name Jun Nakajima  
1st Author's Affiliation Hitachi Ltd. (Hitachi)
2nd Author's Name Yoji Ozawa  
2nd Author's Affiliation Hitachi Ltd. (Hitachi)
3rd Author's Name Zhihui Lu  
3rd Author's Affiliation Fudan University (Fudan Univ.)
4th Author's Name Jie Wu  
4th Author's Affiliation Fudan University (Fudan Univ.)
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Speaker
Date Time 2020-03-16 16:25:00 
Presentation Time 20 
Registration for SC 
Paper # IEICE-SC2019-50 
Volume (vol) IEICE-119 
Number (no) no.482 
Page pp.97-102 
#Pages IEICE-6 
Date of Issue IEICE-SC-2020-03-09 


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