{"updated":"2025-01-20T19:12:49.854931+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00141910","sets":["1164:3925:7913:8236"]},"path":["8236"],"owner":"11","recid":"141910","title":["<i>Pk</i>-匿名化データの有用性評価実験"],"pubdate":{"attribute_name":"公開日","attribute_value":"2015-05-14"},"_buckets":{"deposit":"a173c07d-4ff6-4e3c-9a39-30279c8f4c4b"},"_deposit":{"id":"141910","pid":{"type":"depid","value":"141910","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"<i>Pk</i>-匿名化データの有用性評価実験","author_link":["208657","208656","208652","208654","208655","208653"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"<i>Pk</i>-匿名化データの有用性評価実験"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"ネットワークセキュリティ","subitem_subject_scheme":"Other"}]},"item_type_id":"4","publish_date":"2015-05-14","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"},{"subitem_text_value":"日本電信電話株式会社NTTセキュアプラットフォーム研究所"}]},"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/141910/files/IPSJ-CSEC15069028.pdf"},"date":[{"dateType":"Available","dateValue":"2017-05-14"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-CSEC15069028.pdf","filesize":[{"value":"350.6 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":"80ac266a-a277-40e4-8f92-7d77f8ef87c8","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 2015 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"正木, 彰伍"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"五十嵐, 大"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"菊池, 亮"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"齋藤, 恆和"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"千田, 浩司"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"廣田, 啓一"}],"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":"パーソナルデータの安全な利活用には，データの安全性と有用性の両立が必要である．安全性については代表的な k-匿名性や，k-匿名性を確率的な指標に拡張した Pk-匿名性が提案されるなど，匿名化技術が広く研究されている．一方で，匿名化データの有用性についての議論は未だ限定的である．特に，レコード数などのデータの特徴と有用性の関係性を明らかにすることは，実用上非常に有益である．しかし，これまで行われてきた，ウェブ上で公開されている実データなどを用いた実験では，用いるデータの特徴が限定的になり，議論が困難となっていた．そこで本稿では，多くのデータを包含する一般的な模擬データモデルを利用した評価法を提案し，この模擬データに，Pk-匿名化を適用した実験を行う．さらに実験結果から，有用性と模擬データモデルのパラメーターの関係について調べ，特定のパラメーターから有用性を予測できることがわかった．","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"6","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":"2015-05-14","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"28","bibliographicVolumeNumber":"2015-CSEC-69"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"created":"2025-01-19T00:19:25.853800+00:00","id":141910,"links":{}}