{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00217076","sets":["1164:3925:10844:10845"]},"path":["10845"],"owner":"44499","recid":"217076","title":["異種ドメインのユーザ・アイテムクラスタ情報を用いたペアワイズ学習に基づく購買予測手法"],"pubdate":{"attribute_name":"公開日","attribute_value":"2022-03-03"},"_buckets":{"deposit":"2046a840-38a8-410b-9ba5-fd2baa7954bb"},"_deposit":{"id":"217076","pid":{"type":"depid","value":"217076","revision_id":0},"owners":[44499],"status":"published","created_by":44499},"item_title":"異種ドメインのユーザ・アイテムクラスタ情報を用いたペアワイズ学習に基づく購買予測手法","author_link":["561640","561642","561643","561644","561645","561641"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"異種ドメインのユーザ・アイテムクラスタ情報を用いたペアワイズ学習に基づく購買予測手法"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"DPS特集号特選論文表彰式・応用システム","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2022-03-03","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"大阪大学大学院情報科学研究科マルチメディア工学専攻"},{"subitem_text_value":"大阪大学情報科学研究科"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"株式会社KDDI総合研究所"},{"subitem_text_value":"大阪大学情報科学研究科"},{"subitem_text_value":"大阪大学情報科学研究科"}]},"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/217076/files/IPSJ-CSEC22096040.pdf","label":"IPSJ-CSEC22096040.pdf"},"date":[{"dateType":"Available","dateValue":"2024-03-03"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC22096040.pdf","filesize":[{"value":"904.8 kB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"30"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"cbd81097-6fa6-427e-867a-d2f540eae6bd","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2022 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"海保, 拓真"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"原, 隆浩"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"黒川, 茂莉"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"米川, 慧"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"天方, 大地"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"前川, 卓也"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA11235941","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":"2188-8655","subitem_source_identifier_type":"ISSN"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"オンラインショッピングサービス上の膨大な量のアイテムからユーザの嗜好に合うアイテムを優先して推薦するためのランキング学習は重要である．ランキング学習には，ユーザの行動情報が大量に必要となるが，実際にユーザがもつ購買履歴は非常に少ない．本論文では，広告配信サービスの閲覧履歴をクラスタリングして得られたユーザクラスタの行動特徴を利用し，購買履歴の少ないユーザへの商品推薦を可能にする購買予測手法を提案する．提案手法では，ユーザ・アイテム間の関連度予測モデルのランキング学習の際にユーザクラスタの行動特徴を利用し，推薦対象のユーザとの購買履歴がないアイテムのランキングを予測できるように学習を行う．これにより，ユーザの嗜好を捉えた商品推薦が可能となり，ユーザが購買してないアイテムの推薦によってユーザの購買率の上昇を実現する．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"7","bibliographic_titles":[{"bibliographic_title":"研究報告コンピュータセキュリティ（CSEC）"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"2022-03-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"40","bibliographicVolumeNumber":"2022-CSEC-96"}]},"relation_version_is_last":true,"weko_creator_id":"44499"},"id":217076,"updated":"2025-01-19T15:37:53.682344+00:00","links":{},"created":"2025-01-19T01:17:34.993898+00:00"}