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Paper Abstract and Keywords
Presentation 2008-05-23 13:20
Evaluation of User Context and Social Capital in Ubiquitous Content-Provision Service
Yuki Yokohata (NTT Communications), Michiharu Takemoto, Makoto Hamada, Toshirou Nakamura (NTT) MoMuC2008-22
Abstract (in Japanese) (See Japanese page) 
(in English) We have been studying a service coordination technology
that enables users to use the various types of service
elements that are available in a ubiquitous computing and
networking environment. We have adopted a user context
handling mechanism to choose suitable service
components for “users.” In this paper, we proposed an
adaptive information delivery method for personalized
recommendation and information provisioning. This can
provide information services based on user location,
preferences, or moving history to everyone, everywhere,
using a mobile phone. This system is an information
circulation system based on social capital, which refers to
connections between social networks. Users can obtain
information about events, sightseeing information,
gourmet information, disaster prevention information, etc.
from SNS by marking the location information. We
conducted a field trial to evaluate this system’s feasibility.
According to the results of our questionnaire, the
information-provision style is acceptable to the users. Also,
we evaluate the availability of context, the method of
giving information and the influence that user relationship
exerts on spreading of information from usage history or
user reputation.
Keyword (in Japanese) (See Japanese page) 
(in English) Ubiquitous network / social capital / context aware / information provisioning system / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, May 2008.
Paper #  
Date of Issue 2008-05-15 (MoMuC) 
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 MoMuC2008-22

Conference Information
Committee MoNA IPSJ-MBL  
Conference Date 2008-05-22 - 2008-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa-seinen-kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile computing, Mobile application, Ubiquitous communication, Mobile multimedia communication 
Paper Information
Registration To MoNA 
Conference Code 2008-05-MoMuC-MBL 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of User Context and Social Capital in Ubiquitous Content-Provision Service 
Sub Title (in English)  
Keyword(1) Ubiquitous network  
Keyword(2) social capital  
Keyword(3) context aware  
Keyword(4) information provisioning system  
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1st Author's Name Yuki Yokohata  
1st Author's Affiliation NTT Communications Corporation (NTT Communications)
2nd Author's Name Michiharu Takemoto  
2nd Author's Affiliation NTT Corporation (NTT)
3rd Author's Name Makoto Hamada  
3rd Author's Affiliation NTT Corporation (NTT)
4th Author's Name Toshirou Nakamura  
4th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2008-05-23 13:20:00 
Presentation Time 25 minutes 
Registration for MoNA 
Paper # MoMuC2008-22 
Volume (vol) vol.108 
Number (no) no.44 
Page pp.125-128 
#Pages
Date of Issue 2008-05-15 (MoMuC) 


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