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Paper Abstract and Keywords
Presentation 2010-10-15 10:45
Improvement of Information Retrieval Efficiency by Crossing Multiple Community Networks
Hirona Shimokawa (Osaka City Univ.), Yasuhiro Sato (Japan Coast Guard Academy), Shingo Ata, Ikuo Oka (Osaka City Univ.) IN2010-71
Abstract (in Japanese) (See Japanese page) 
(in English) Some studies have shown that using by a single scale-free network is not appropriate for modeling social networks that represent human relationships in real world. In the social networks, multiple community networks based on common interests or values exist together. However, there is no study on communication model where mul- tiple community networks are taken into consideration. Moreover, the evaluation that considers the load-balancing of the hub node in the scale-free network is done as an application of the information search by crossing of multiple networks. In this paper, we investigate how the performance of information retrieval is affected by using multiple community networks. To evaluate the performance, we use a degree of density which denotes the processing cost of hub nodes as well as the distance. We show that the performance of information retrieval by crossing different community networks improves in terms of the number of hops and degree of density on any path between two nodes.
Keyword (in Japanese) (See Japanese page) 
(in English) Scale free / power-law networks / community / composite networks / information retrieval / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 224, IN2010-71, pp. 33-38, Oct. 2010.
Paper # IN2010-71 
Date of Issue 2010-10-07 (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)
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Conference Information
Committee IN  
Conference Date 2010-10-14 - 2010-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network middleware, Virtualization, Greening, Web service, Internet service, Ubiquitous service, Social network, Sensor network, etc. 
Paper Information
Registration To IN 
Conference Code 2010-10-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Information Retrieval Efficiency by Crossing Multiple Community Networks 
Sub Title (in English)  
Keyword(1) Scale free  
Keyword(2) power-law networks  
Keyword(3) community  
Keyword(4) composite networks  
Keyword(5) information retrieval  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hirona Shimokawa  
1st Author's Affiliation Osaka City University (Osaka City Univ.)
2nd Author's Name Yasuhiro Sato  
2nd Author's Affiliation Japan Coast Guard Academy (Japan Coast Guard Academy)
3rd Author's Name Shingo Ata  
3rd Author's Affiliation Osaka City University (Osaka City Univ.)
4th Author's Name Ikuo Oka  
4th Author's Affiliation Osaka City University (Osaka City Univ.)
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Speaker Author-1 
Date Time 2010-10-15 10:45:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2010-71 
Volume (vol) vol.110 
Number (no) no.224 
Page pp.33-38 
#Pages 6 
Date of Issue 2010-10-07 (IN) 

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