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Paper Abstract and Keywords
Presentation 2024-09-05 15:30
Computing Betweenness Centrality in Time-varying Network using Zero-suppressed Binary Decision Diagram
Daiki Ando, Yu Nakahata, Shoji Kasahara (NAIST) COMP2024-10
Abstract (in Japanese) (See Japanese page) 
(in English) Betweenness Centrality (BC) is a measure of the importance of the vertices in a network. BC has been extensively studied for a variety of static networks whose topologies don't change over time. However, real-world networks are rarely static, we can consider BC in time-varying networks as well. BC value of a vertex quantifies how many shortest paths go through this vertex. Thus, BC computation is closely related to counting shortest paths. Four different shortest paths can be defined in time-varying networks, while some of four shortest paths can be enumerated in polynomial time, others are computationally hard (#P-hard). We devise a method of BC computation for time-varying networks using Zero-suppressed binary Decision Diagrams (ZDD). In several experiments, we compare the construction time of ZDD and sizes of ZDDs.
Keyword (in Japanese) (See Japanese page) 
(in English) ZDD / Time-varying Network / Betweenness Centrality / Path Enumeration / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 183, COMP2024-10, pp. 1-7, Sept. 2024.
Paper # COMP2024-10 
Date of Issue 2024-08-29 (COMP) 
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 COMP2024-10

Conference Information
Committee COMP IPSJ-AL  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiroshima Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Theoretical Computer Science, etc. 
Paper Information
Registration To COMP 
Conference Code 2024-09-COMP-AL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Computing Betweenness Centrality in Time-varying Network using Zero-suppressed Binary Decision Diagram 
Sub Title (in English)  
Keyword(1) ZDD  
Keyword(2) Time-varying Network  
Keyword(3) Betweenness Centrality  
Keyword(4) Path Enumeration  
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1st Author's Name Daiki Ando  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Yu Nakahata  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Shoji Kasahara  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
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Speaker Author-1 
Date Time 2024-09-05 15:30:00 
Presentation Time 30 minutes 
Registration for COMP 
Paper # COMP2024-10 
Volume (vol) vol.124 
Number (no) no.183 
Page pp.1-7 
#Pages 7 
Date of Issue 2024-08-29 (COMP) 

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