{"id":241605,"created":"2025-01-19T01:46:18.514137+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00241605","sets":["1164:4179:11560:11869"]},"path":["11869"],"owner":"44499","recid":"241605","title":["ECサイトレビューの多角的な有用性判別のための分類モデル構築と精度改善手法の検討"],"pubdate":{"attribute_name":"公開日","attribute_value":"2024-12-05"},"_buckets":{"deposit":"c35d6d25-ef2c-4fc5-8178-feb5beac4eab"},"_deposit":{"id":"241605","pid":{"type":"depid","value":"241605","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"ECサイトレビューの多角的な有用性判別のための分類モデル構築と精度改善手法の検討","author_link":["665454","665455"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"ECサイトレビューの多角的な有用性判別のための分類モデル構築と精度改善手法の検討"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"テキスト分析","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2024-12-05","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"琉球大学大学院理工学研究科工学専攻知能情報プログラム"},{"subitem_text_value":"琉球大学工学部工学科知能情報コース"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/241605/files/IPSJ-NL24262030.pdf","label":"IPSJ-NL24262030.pdf"},"date":[{"dateType":"Available","dateValue":"2026-12-05"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-NL24262030.pdf","filesize":[{"value":"1.3 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"23"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"00801029-b940-4eef-b9b6-7410a14670be","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2024 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"屋比久, 博文"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"當間, 愛晃"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10115061","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-8779","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"多角的な有用性判別のための観点再定義と分類モデル構築，精度改善に取り組んだ．「探索財」と「経験財」においてそれぞれ有用性観点が異なることを考慮し，別々のラベル設計を行うことで多角的な有用性観点の実現を目指した．分類モデルは有用かどうかの 2 値分類で行うものではなく，それぞれの観点に直接分類するマルチラベル分類モデルの構築を行った．精度改善としてデータ拡張と損失関数の変更が改善に寄与することが確認できた．今後は，データ拡張に用いた複数の手法の中でどの手法が有効であったかの調査が必要であると考えている．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"8","bibliographic_titles":[{"bibliographic_title":"研究報告自然言語処理（NL）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2024-12-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"30","bibliographicVolumeNumber":"2024-NL-262"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"updated":"2025-01-19T07:36:22.332053+00:00","links":{}}