{"links":{},"id":2005056,"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:02005056","sets":["6164:6165:6640:1752804461720"]},"path":["1752804461720"],"owner":"11","recid":"2005056","title":["発話型属性認証に向けた提示文章ごとの発話特徴分析"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2025-06-18"},"_buckets":{"deposit":"2d7afa58-45ba-45b9-a5c7-46c834648f31"},"_deposit":{"id":"2005056","pid":{"type":"depid","value":"2005056","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"発話型属性認証に向けた提示文章ごとの発話特徴分析","author_link":[],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"発話型属性認証に向けた提示文章ごとの発話特徴分析","subitem_title_language":"ja"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"Web","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2025-06-18","item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_18_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"はこだて未来大"},{"subitem_text_value":"はこだて未来大"},{"subitem_text_value":"はこだて未来大"}]},"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/2005056/files/IPSJ-DICOMO2025031.pdf","label":"IPSJ-DICOMO2025031.pdf"},"date":[{"dateType":"Available","dateValue":"2027-06-18"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DICOMO2025031.pdf","filesize":[{"value":"4.4 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":"44"}],"accessrole":"open_date","version_id":"1da9d630-72cf-4822-b7cd-f72c68147fb6","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2025 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"井戸, 智斗志"}]},{"creatorNames":[{"creatorName":"石田, 繁巳"}]},{"creatorNames":[{"creatorName":"稲村, 浩"}]}]},"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_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"インターネットサービスでは，Bot による自動操作を防止するため，人間と Bot を識別する CAPTCHA 認証が用いられている．画像認識技術の進歩により Bot が高精度に CAPTCHA 認証を突破するようになり，Bot に突破されない新しい CAPTCHA 認証技術の研究開発・利用が進んでいる．本研究では誤記を活用した発話型属性認証システムを提案し，その実現に向けて必要となる，提示文章ごとの発話特徴の分析を示す．誤記を含めた文章を提示すると Bot の発話速度は一定であるのに対し，人間は詰まりや言い淀みにより発話速度が一定ではないと考えられる．このような人間的発話特徴が発生する文章を特定するため，本稿では複数種類の誤記のそれぞれを含む文章を提示し，人間と Bot の発話データを収集して分析を行った．その結果，認証文の中央で，文節の 5 文字目に「結合」の誤記を加えることで 74% 識別できることを確認した．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"245","bibliographic_titles":[{"bibliographic_title":"マルチメディア，分散，協調とモバイル(DICOMO2025)シンポジウム2025論文集"}],"bibliographicPageStart":"239","bibliographicIssueDates":{"bibliographicIssueDate":"2025-06-18","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2025"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-10-23T04:28:28.480151+00:00","updated":"2025-10-23T04:51:47.483306+00:00"}