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ArticleIssue Date2012CitationKSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS, v.6, no.5, pp.1445 - 1462PublisherKSII-KOR SOC INTERNET INFORMATION
ArticleIssue Date2012CitationKSII TRANSACTIONS ON INTERNET AND INFORMATION SYSTEMS, v.6, no.11, pp.2866 - 2879PublisherKSII-KOR SOC INTERNET INFORMATION