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dc.contributor.authorHan, Yo-Sub-
dc.contributor.authorKim, Laehyun-
dc.contributor.authorCha, Jeong-Won-
dc.date.accessioned2024-01-20T14:34:20Z-
dc.date.available2024-01-20T14:34:20Z-
dc.date.created2021-09-04-
dc.date.issued2012-06-
dc.identifier.issn1335-9150-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/129224-
dc.description.abstractIn the Web 2.0 era, people not only read web contents but create, upload, view, share and evaluate all contents on the web. This leads us to introduce a new type of social network based on user activity and content metadata. We notice that we can determine the quality of related contents using this new social network. Based on this observation, we introduce a user evaluation algorithm for user-generated video sharing website. First, we make a social network of users from video contents and related social activities such as subscription, uploading or favorite. We then use a modified PageRank algorithm to compute user reputation from the social network. We re-calculate the content scores using user reputations and compare the results with a standard BM25 result. We apply the proposed approach to YouTube and demonstrate that the user reputation is closely related to the number of subscriptions and the number of uploaded contents. Furthermore, we show that the new ranking results relied on the user reputation is better than the standard BM25 approach by experiments.-
dc.languageEnglish-
dc.publisherSLOVAK ACAD SCIENCES INST INFORMATICS-
dc.subjectTRUST-
dc.titleCOMPUTING USER REPUTATION IN A SOCIAL NETWORK OF WEB 2.0-
dc.typeArticle-
dc.description.journalClass1-
dc.identifier.bibliographicCitationCOMPUTING AND INFORMATICS, v.31, no.2, pp.447 - 462-
dc.citation.titleCOMPUTING AND INFORMATICS-
dc.citation.volume31-
dc.citation.number2-
dc.citation.startPage447-
dc.citation.endPage462-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000305314200010-
dc.identifier.scopusid2-s2.0-84862508359-
dc.relation.journalWebOfScienceCategoryComputer Science, Artificial Intelligence-
dc.relation.journalResearchAreaComputer Science-
dc.type.docTypeArticle-
dc.subject.keywordPlusTRUST-
dc.subject.keywordAuthorUser reputation-
dc.subject.keywordAuthorsocial network-
dc.subject.keywordAuthorWeb 2.0-
dc.subject.keywordAuthorYou Tube-
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KIST Article > 2012
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