{"updated":"2025-01-19T16:47:59.403845+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00174896","sets":["6394:8432:8436"]},"path":["8436"],"owner":"13","recid":"174896","title":["大規模トラフィックを処理する記事推薦サービスへの機械学習の応用事例"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-10-15"},"_buckets":{"deposit":"6484e4ec-3180-455f-8ced-8e821b9f84b4"},"_deposit":{"id":"174896","pid":{"type":"depid","value":"174896","revision_id":0},"owners":[13],"status":"published","created_by":13},"item_title":"大規模トラフィックを処理する記事推薦サービスへの機械学習の応用事例","author_link":["363332","363330","363328","363329","363331"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"大規模トラフィックを処理する記事推薦サービスへの機械学習の応用事例"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"特集:人工知能の実践的活用","subitem_subject_scheme":"Other"}]},"item_type_id":"21","publish_date":"2016-10-15","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_21_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"ヤフー(株)"},{"subitem_text_value":"ヤフー(株)"},{"subitem_text_value":"ヤフー(株)"},{"subitem_text_value":"ヤフー(株)"},{"subitem_text_value":"ヤフー(株)"}]},"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/174896/files/IPSJ-DP0704008.pdf","label":"IPSJ-DP0704008.pdf"},"date":[{"dateType":"Available","dateValue":"2021-12-06"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DP0704008.pdf","filesize":[{"value":"1.4 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"0","billingrole":"5"},{"tax":["include_tax"],"price":"0","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"88f25575-0510-4c5b-8486-980fb0402aff","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2016 by the Information Processing Society of Japan"}]},"item_21_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"大倉, 俊平"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"村尾, 一真"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"田頭, 幸浩"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"小野, 真吾"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"田島, 玲"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_6501","resourcetype":"journal article"}]},"item_21_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA1245124X","subitem_source_identifier_type":"NCID"}]},"item_21_source_id_11":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"2188-4390","subitem_source_identifier_type":"ISSN"}]},"item_21_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"記事推薦システムにおいて,機械学習を用いてユーザと記事をマッチングする手法については,すでにさまざまな研究が成されている.一方で,大規模トラフィックを処理する実サービスにそれらを適用しようとすると,システムの応答速度に関する制約や,季節性によるデータ分布の変化などさまざまな問題が浮上する.また,機械学習の「精度」が利用者の満足に直接結びつくとは限らない.本稿では,筆者らが実際の記事推薦システムを構築する上で,それらの問題にどのように対処したかを事例と実験結果を合わせて紹介する.","subitem_description_type":"Other"}]},"item_21_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"393","bibliographic_titles":[{"bibliographic_title":"デジタルプラクティス"}],"bibliographicPageStart":"386","bibliographicIssueDates":{"bibliographicIssueDate":"2016-10-15","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicVolumeNumber":"7"}]},"relation_version_is_last":true,"item_21_alternative_title_2":{"attribute_name":"その他タイトル","attribute_value_mlt":[{"subitem_alternative_title":"招待論文"}]},"item_21_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.20729/00174862","subitem_identifier_reg_type":"JaLC"}]},"weko_creator_id":"13"},"created":"2025-01-19T00:44:58.383836+00:00","id":174896,"links":{}}