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| Paper Abstract and Keywords | ||
| Presentation | 2015-05-22 10:00 On the Computational Complexity of Information Flow Problem with Hierarchy Constraint Yuki Takeda, Yuichi Kaji, Minoru Ito (NAIST)  IT2015-11 EMM2015-11 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | An information flow problem discusses how to distribute information over a complicated network. It is known that the technique of the network coding plays an essential role in a certain type of information flow problems, but not so much are known about other types of the problem. As an extension of Lehman's investigation, this study introduces a hierarchy constraint of messages, and discusses the computational complexity of the problem to determine if a given information flow problem has a linear solution or not. Nine classes of problems are newly defined, and classified to one of three categories that were discovered by Lehman. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | information flow problem / network coding / computational complexity / hierarchy constraint / mesh network / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 37, IT2015-11, pp. 57-62, May 2015. | |
| Paper # | IT2015-11 | |
| Date of Issue | 2015-05-14 (IT, EMM) | |
| 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 | IT2015-11 EMM2015-11 |
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| Conference Information | |
| Committee | EMM IT |
| Conference Date | 2015-05-21 - 2015-05-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kyoto International Community House |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Information Security, Information Theory, Information Hiding, etc. |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2015-05-EMM-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On the Computational Complexity of Information Flow Problem with Hierarchy Constraint |
| Sub Title (in English) | |
| Keyword(1) | information flow problem |
| Keyword(2) | network coding |
| Keyword(3) | computational complexity |
| Keyword(4) | hierarchy constraint |
| Keyword(5) | mesh network |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Takeda |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Yuichi Kaji |
| 2nd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 3rd Author's Name | Minoru Ito |
| 3rd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
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| Speaker | Author-1 |
| Date Time | 2015-05-22 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2015-11, EMM2015-11 |
| Volume (vol) | vol.115 |
| Number (no) | no.37(IT), no.38(EMM) |
| Page | pp.57-62 |
| #Pages | 6 |
| Date of Issue | 2015-05-14 (IT, EMM) |
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