{"metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00187345","sets":["6164:6165:6462:9463"]},"path":["9463"],"owner":"11","recid":"187345","title":["秘匿ログ分析におけるデータの秘匿度合と分析効率とのトレードオフ評価"],"pubdate":{"attribute_name":"公開日","attribute_value":"2017-10-16"},"_buckets":{"deposit":"fda942c1-2ac9-42f0-b162-59eb8a2a0022"},"_deposit":{"id":"187345","pid":{"type":"depid","value":"187345","revision_id":0},"owners":[11],"status":"published","created_by":11},"item_title":"秘匿ログ分析におけるデータの秘匿度合と分析効率とのトレードオフ評価","author_link":["423548","423551","423545","423553","423543","423546","423554","423552","423549","423550","423547","423544"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"秘匿ログ分析におけるデータの秘匿度合と分析効率とのトレードオフ評価"},{"subitem_title":"Trade-Off Evaluation of Privacy-Preserving Degree and Efficiency in Privacy-Preserving Log 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paper"}]},"item_18_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"不正ログインを目的とする攻撃を検知するための通信ログ分析問題を,ログの所有者,管理者,分析者が相異なる三者モデルのもとで考える.このモデルでは,所有者が,個人情報を秘匿したログを管理者に委託し,分析者がそのログに対して分析を行う.このような秘匿ログ分析は,分析に必要な個人情報を管理者に秘匿した状態で分析者に提供されれば実現できるが,管理者にもその情報の一部を開示することにより,分析者の計算量を軽減できる可能性がある.本稿では,異なるログレコード間における個人情報の等価性を用いる分析において,管理者への等価性情報の開示量と分析者の計算量とのトレードオフ評価を行う.","subitem_description_type":"Other"}]},"item_18_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographic_titles":[{"bibliographic_title":"コンピュータセキュリティシンポジウム2017論文集"}],"bibliographicIssueDates":{"bibliographicIssueDate":"2017-10-16","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicVolumeNumber":"2017"}]},"relation_version_is_last":true,"weko_creator_id":"11"},"updated":"2025-01-20T02:17:51.416157+00:00","created":"2025-01-19T00:54:01.460781+00:00","links":{},"id":187345}