{"created":"2021-03-01T07:01:39.827165+00:00","id":41853,"links":{},"metadata":{"_buckets":{"deposit":"1d49d7ad-20a7-464c-b216-fea112a852a4"},"_deposit":{"id":"41853","owners":[],"pid":{"revision_id":0,"type":"depid","value":"41853"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00041853","sets":["110:255:7421","9:7407:7410"]},"item_3_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2012-11-16","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{}]}]},"item_3_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"年次報告書のように同一テーマで複数年に渡って毎年書かれる報告書では、各年の報告書の差分理解が重要であり、そのために報告書全体を確認する必要がある。本研究では、tf-idfの重みづけなどにより各年度の報告書からキーワードを抽出、その変化から各年の差分を自動的に検出して、各報告のトピックをメタデータとして提示するシステムを開発、実際の報告書データに適用してその有効性を示した。また、複合語対応など今後の課題を明確にした。","subitem_description_type":"Abstract"}]},"item_3_description_6":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"第17回知識・技術・技能の伝承支援研究会(SIG-KST), 2012年11月16日(金), 慶應義塾大学, 神奈川","subitem_description_type":"Other"}]},"item_3_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"96124","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Okada, Isaac"}]},{"nameIdentifiers":[{"nameIdentifier":"96125","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Saito, Minoru"}]},{"nameIdentifiers":[{"nameIdentifier":"96126","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Oida, Yoshiaki"}]},{"nameIdentifiers":[{"nameIdentifier":"96127","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Yamato, Hiroyuki"}]},{"nameIdentifiers":[{"nameIdentifier":"96128","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Hiekata, Kazuo"}]}]},"item_3_relation_25":{"attribute_name":"関係URI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.sigkst.org/?site_id=&page=%C2%E817%B2%F3%B8%A6%B5%E6%B2%F1","subitem_relation_type_select":"URI"}}]},"item_3_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"007","subitem_subject_scheme":"NDC"}]},"item_3_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"富士通株式会社SI技術サポート本部ナレッジ推進統括部"},{"subitem_text_value":"東京大学大学院新領域創成科学研究科"},{"subitem_text_value":"System Engineering Knowledge Improvement div., SYSTEM ENGINEERING TECHNOLOGY UNIT, FUJITSU LIMITED"},{"subitem_text_value":"Graduate School of Frontier Sciences, THE UNIVERSITY OF TOKYO"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岡田, 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