{"id":196263,"updated":"2025-01-19T22:48:03.936539+00:00","links":{},"created":"2025-01-19T01:00:57.943915+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00196263","sets":["6504:9795:9814"]},"path":["9814"],"owner":"6748","recid":"196263","title":["クラウド型CAPTCHAサービスにおける機械学習を用いたボットの検出"],"pubdate":{"attribute_name":"公開日","attribute_value":"2019-02-28"},"_buckets":{"deposit":"6bf4a7cb-1f9f-4179-9150-3513e83957b2"},"_deposit":{"id":"196263","pid":{"type":"depid","value":"196263","revision_id":0},"owners":[6748],"status":"published","created_by":6748},"item_title":"クラウド型CAPTCHAサービスにおける機械学習を用いたボットの検出","author_link":["469528","469527","469524","469525","469526"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"クラウド型CAPTCHAサービスにおける機械学習を用いたボットの検出"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"セキュリティ","subitem_subject_scheme":"Other"}]},"item_type_id":"22","publish_date":"2019-02-28","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_22_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"京大"},{"subitem_text_value":"京大"},{"subitem_text_value":"Capy株式会社"},{"subitem_text_value":"Capy株式会社"},{"subitem_text_value":"Capy株式会社"}]},"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/196263/files/IPSJ-Z81-5ZA-08.pdf","label":"IPSJ-Z81-5ZA-08.pdf"},"date":[{"dateType":"Available","dateValue":"2019-05-27"}],"format":"application/pdf","filename":"IPSJ-Z81-5ZA-08.pdf","filesize":[{"value":"313.6 kB"}],"mimetype":"application/pdf","accessrole":"open_date","version_id":"cbd726a8-5728-40a5-9048-3f5574f6b36c","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2019 by the Information Processing Society of Japan"}]},"item_22_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"荒井, 毅"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡部, 寿男"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"岡田, 満雄"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"渡辺, 孝信"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"松本, 悦宜"}],"nameIdentifiers":[{}]}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_5794","resourcetype":"conference paper"}]},"item_22_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00349328","subitem_source_identifier_type":"NCID"}]},"item_22_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"　本研究では，ボット技術の高度化によるCAPTCHAの難度の上昇に伴うユーザの利便性の低下および高度なボットの利用によるCAPTCHAの突破を防止することを目的として，Capy株式会社により提供されて商用サービスとして広く使われているクラウド型CAPTCHAサービスに対してリスクベース認証技術を付加したCAPTCHAサービスの基本設計を提案する．さらには，実際のサービスのアクセスログについて分析を行い，ボット利用の可能性の高いアクセスに対してCAPTCHAの難度を上げるための機械学習を用いた高精度のリスク推定手法について検討する．","subitem_description_type":"Other"}]},"item_22_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"468","bibliographic_titles":[{"bibliographic_title":"第81回全国大会講演論文集"}],"bibliographicPageStart":"467","bibliographicIssueDates":{"bibliographicIssueDate":"2019-02-28","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"1","bibliographicVolumeNumber":"2019"}]},"relation_version_is_last":true,"weko_creator_id":"6748"}}