{"updated":"2025-01-21T10:04:43.795631+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00104987","sets":["6164:6165:6640:7689"]},"path":["7689"],"owner":"11","recid":"104987","title":["仮名化データの安全性検証アルゴリズムの考察"],"pubdate":{"attribute_name":"公開日","attribute_value":"2014-07-02"},"_buckets":{"deposit":"6276f69e-68ba-48dd-acc4-17a2355c7beb"},"_deposit":{"id":"104987","pid":{"type":"depid","value":"104987","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"仮名化データの安全性検証アルゴリズムの考察","author_link":["6227","6225","6224","6226"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"仮名化データの安全性検証アルゴリズムの考察"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"プライバシー保護, モバイルコンピューティング","subitem_subject_scheme":"Other"}]},"item_type_id":"18","publish_date":"2014-07-02","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":"統計数理研究所"},{"subitem_text_value":"統計数理研究所"},{"subitem_text_value":"統計数理研究所"},{"subitem_text_value":"統計数理研究所"}]},"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/104987/files/IPSJ-DICOMO2014117.pdf"},"date":[{"dateType":"Available","dateValue":"2014-07-02"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-DICOMO2014117.pdf","filesize":[{"value":"1.2 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":"0bcba36f-8e56-4c4e-8c0f-39a28ae77070","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2014 by the Information Processing Society of Japan"}]},"item_18_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"有住なな"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"丹生智也"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"南和宏"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"丸山宏"}],"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_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"近年，インターネット上では様々な位置情報サービスが提供されており，多数のユーザーの間で位置情報の共有が実現されている．しかし位置情報はユーザーのプライバシーに関する行動に深く関連するため，位置情報の公開は適切に制限される必要がある．そこで我々はこれまでユーザーの識別子を仮名に置き換える仮名化方式を検討し，「ミックスゾーン」と呼ばれる複数ユーザーが出会う場所でランダムに仮名を交換する方式を考案し，各ユーザーが取り得る代替経路の不確定性に基づきプライバシーの概念を定式化した．本論文では、このミックスゾーンを用いたプライバシー保護技術において効率的に安全性を検証するアルゴリズムについて考察する．","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"827","bibliographic_titles":[{"bibliographic_title":"マルチメディア、分散協調とモバイルシンポジウム2014論文集"}],"bibliographicPageStart":"823","bibliographicIssueDates":{"bibliographicIssueDate":"2014-07-02","bibliographicIssueDateType":"Issued"},"bibliographicVolumeNumber":"2014"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-18T23:48:56.357667+00:00","id":104987,"links":{}}