{"created":"2023-06-19T07:14:47.883231+00:00","id":2086,"links":{},"metadata":{"_buckets":{"deposit":"bd6850de-ae3e-4418-969e-fabd2a1b7361"},"_deposit":{"created_by":27,"id":"2086","owners":[27],"pid":{"revision_id":0,"type":"depid","value":"2086"},"status":"published"},"_oai":{"id":"oai:repo.lib.tut.ac.jp:00002086","sets":["9"]},"author_link":["3794","3898","3336","1945","3795","3899","2102"],"control_number":"2086","item_10001_biblio_info_7":{"attribute_name":"bibliographic_information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2019-04-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"301","bibliographicPageStart":"289","bibliographicVolumeNumber":"J102-D","bibliographic_titles":[{"bibliographic_title":"電子情報通信学会論文誌 D"},{"bibliographic_title":"The IEICE Transactions on Electronics (Japanese Edition)","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"データを確率的に取り扱う問題において,統計的尺度の推定は手法の構成やデータ分析の基盤的役割を担う.本論文では統計的尺度の一つであるゆう度比を,離散的な標本空間から得た観測頻度をもとに推定する問題を扱う.素朴な推定方法は,ゆう度比の定義に従い,ゆう度比を構成する二つの確率分布を最ゆう推定して,その比を取ることである.しかし,低頻度からゆう度比を求めるとき,この方法は推定量を不当に高く見積もってしまう場合がある.そこで,ゆう度比の直接推定法uLSIF を応用し,ゆう度比を低めに(保守的に)推定する方法を提案する.提案手法は,最ゆう推定によって求めたゆう度比を正則化パラメータによって調整する枠組みである.実験では提案手法の振る舞いを明らかにし,その有効性を示した.更に,自然言語処理におけるブートストラップ法を利用した実験も行い,提案手法の実用性も示した.","subitem_description_type":"Abstract"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"電子情報通信学会"}]},"item_10001_relation_14":{"attribute_name":"item_10001_relation_14","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.14923/transinfj.2018DEP0007","subitem_relation_type_select":"DOI"}}]},"item_10001_relation_17":{"attribute_name":"関連サイト","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"IEICE transactions Onlineトップ"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://search.ieice.org/index.html","subitem_relation_type_select":"URI"}},{"subitem_relation_name":[{"subitem_relation_name_text":"IEICE transactions 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