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Evaluation of Social Capital in Context-Aware Content-Provision Service

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4 Author(s)
Yokohata, Y. ; Dept. of Ubiquitous Services, NTT Commun. Corp., Tokyo ; Takemoto, M. ; Hamada, M. ; Nakamura, T.

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 systempsilas 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.

Published in:

Applications and the Internet, 2008. SAINT 2008. International Symposium on

Date of Conference:

July 28 2008-Aug. 1 2008