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Paper Abstract and Keywords
Presentation 2012-07-12 11:00
A Service Trigger Detection Mechanism Based on Geographical and Social Relations
Takayuki Nishio, Ryoichi Shinkuma (Kyoto Univ.), Francesco De Pellegrini (CREATE-NET), Hiroyuki Kasai (UEC), Kazuhiro Yamaguchi (KDL), Tatsuro Takahashi (Kyoto Univ.) CQ2012-17
Abstract (in Japanese) (See Japanese page) 
(in English) Context awareness is believed to be a key enabler for the new network service paradigm brought by cloud computing platforms and smartphone OSs.
This work focuses on the core problem of how to detect changes of context for network services.
Detection of such changes can trigger timely system reconfigurations.
In this paper, we propose a trigger detection mechanism based on a mixed representation model that encodes geographical and social relationships among people and other social objects
by using a graph.
When a significant change in the graph occurs, our mechanism detects a trigger.
It accounts for the fact that a geographical relationship among objects socially connected with each other significantly changes.
The main benefits of our method are that 1) it does not require building reference models in advance, and 2) it can deal with different kinds of social objects uniformly once the graph is defined.
We evaluate the performance of our method by a computer simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) social closeness / geographical adjacency / geographical relation graph / context awareness / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 119, CQ2012-17, pp. 1-4, July 2012.
Paper # CQ2012-17 
Date of Issue 2012-07-05 (CQ) 
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 CQ2012-17

Conference Information
Committee CQ  
Conference Date 2012-07-12 - 2012-07-13 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Audio and video quality, Media quality, Quality control of networks, Architecture of next generation/future networks, Ultra realistic communication, Reliability, general fields 
Paper Information
Registration To CQ 
Conference Code 2012-07-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Service Trigger Detection Mechanism Based on Geographical and Social Relations 
Sub Title (in English)  
Keyword(1) social closeness  
Keyword(2) geographical adjacency  
Keyword(3) geographical relation graph  
Keyword(4) context awareness  
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Keyword(6)  
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1st Author's Name Takayuki Nishio  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Ryoichi Shinkuma  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Francesco De Pellegrini  
3rd Author's Affiliation CREATE-NET (CREATE-NET)
4th Author's Name Hiroyuki Kasai  
4th Author's Affiliation The University of Electro-Communications (UEC)
5th Author's Name Kazuhiro Yamaguchi  
5th Author's Affiliation Kobe Digital Labo.,Inc. (KDL)
6th Author's Name Tatsuro Takahashi  
6th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2012-07-12 11:00:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2012-17 
Volume (vol) vol.112 
Number (no) no.119 
Page pp.1-4 
#Pages 4 
Date of Issue 2012-07-05 (CQ) 

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