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Paper Abstract and Keywords
Presentation 2008-09-12 13:40
On Estimating Success of On-line Development Communities using Topological Structure of Social Networks
Sho Tsugawa, Kouhei Sugiyama, Hiroyuki Ohsaki, Makoto Imase (Osaka Univ.) IN2008-61
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a method for estimating success of on-line development communities using the topological structure of their social networks. Since social activities have been rapidly shifting into networked environment in recent years, several types of on-line communities have been formed. For activating on-line communities, and also leading those on-line communities to success, it is essential to appropriately understand the current state of on-line communities. In the literature, many researches on factors affecting on-line community success and social network analyses have been performed. These research results implicitly suggest that the topological structure of a social network is strongly related to the success of an on-line community. In this paper, we propose an index called CSI (Community Success Index), which is an estimate of on-line community success, obtained only from the topological structure of a social network. The value of CSI is obtained as follows. First, leadership of each participant in an on-line community is estimated from the topological structure of a social network. From estimated leadership of participants, CSI is then obtained. In this paper, we also evaluate the effectiveness of
the proposed CSI through experiments utilizing log data of SourceForge, which is one of representative sites for on-line development communities. Consequently, we show that the proposed CSI is effective for estimating success of on-line development communities.
Keyword (in Japanese) (See Japanese page) 
(in English) Online Community / Social Network / Topological Structure / Community Instrumentation / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 204, IN2008-61, pp. 105-110, Sept. 2008.
Paper # IN2008-61 
Date of Issue 2008-09-04 (IN) 
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 IN2008-61

Conference Information
Committee CS IN NS  
Conference Date 2008-09-11 - 2008-09-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Overlay networks, VPN, DDos, network security, p2p communications, network software, etc. 
Paper Information
Registration To IN 
Conference Code 2008-09-CS-IN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Estimating Success of On-line Development Communities using Topological Structure of Social Networks 
Sub Title (in English)  
Keyword(1) Online Community  
Keyword(2) Social Network  
Keyword(3) Topological Structure  
Keyword(4) Community Instrumentation  
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Keyword(6)  
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1st Author's Name Sho Tsugawa  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Kouhei Sugiyama  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Hiroyuki Ohsaki  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Makoto Imase  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2008-09-12 13:40:00 
Presentation Time 20 minutes 
Registration for IN 
Paper # IN2008-61 
Volume (vol) vol.108 
Number (no) no.204 
Page pp.105-110 
#Pages 6 
Date of Issue 2008-09-04 (IN) 

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