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Paper Abstract and Keywords
Presentation 2018-08-02 09:25
Damped Oscillation Model with Frequency-Dependent Decay Rate in Social Networks
Chisa Takano (Hiroshima City Univ.), Masaki Aida (Tokyo Metropolitan Univ.) CCS2018-28
Abstract (in Japanese) (See Japanese page) 
(in English) In recent years, we have studied an oscillation model to describe the propagation of activities on social networks and proposed the framework that its oscillation energy corresponds to the various node centrality index. The proposed node centrality index provides not only the underlying mechanism of conventional degree centrality and betweenness centrality, but also gives a generalized index that can reflect various network conditions. The phenomenon that the user's interest in a specific event diminishes with time can be represented by damped oscillation on the network. In previous studies, we assumed a damping coefficient, the damping strength of oscillation, as a constant independent of the frequency, but it is known that the damping coefficient in the general oscillation phenomena depends on the frequency. In this research, we investigate the behavior of the damping oscillation model on the network when the damping coefficient depends on the frequency, and discuss the reasonable possibility of the frequency-dependent damping coefficient on social networks.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Analysis / Propagation of Activities / Damped Oscillation Model / Eigenfrequency / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 168, CCS2018-28, pp. 13-16, Aug. 2018.
Paper # CCS2018-28 
Date of Issue 2018-07-25 (CCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF CCS2018-28

Conference Information
Committee IN CCS  
Conference Date 2018-08-01 - 2018-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Kitayuzawa Mori-no-Soraniwa 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CCS 
Conference Code 2018-08-IN-CCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Damped Oscillation Model with Frequency-Dependent Decay Rate in Social Networks 
Sub Title (in English)  
Keyword(1) Network Analysis  
Keyword(2) Propagation of Activities  
Keyword(3) Damped Oscillation Model  
Keyword(4) Eigenfrequency  
1st Author's Name Chisa Takano  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Masaki Aida  
2nd Author's Affiliation Tokyo Metropolitan Univ (Tokyo Metropolitan Univ.)
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Date Time 2018-08-02 09:25:00 
Presentation Time 25 
Registration for CCS 
Paper # IEICE-CCS2018-28 
Volume (vol) IEICE-118 
Number (no) no.168 
Page pp.13-16 
#Pages IEICE-4 
Date of Issue IEICE-CCS-2018-07-25 

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