{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1050292572137699072.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"URI","@value":"https://ipsj.ixsq.nii.ac.jp/records/86647"}},{"identifier":{"@type":"NAID","@value":"170000072672"}}],"resourceType":"会議発表資料(conference paper)","dc:title":[{"@value":"共通識別子を持つレコード群のデータ匿名化手法"},{"@language":"en","@value":"A Data Anonymization for Multiple Personal Records with the Same Identifier"}],"dc:language":"ja","description":[{"type":"Other","notation":[{"@value":"蓄積されたパーソナル情報の活用にはプライバシ保護が必要であり，保護手法の一つとしてk-匿名化による匿名性保証技術が知られている．従来のk-匿名化方式では，データ主体とレコードが一対一に対応する環境において，レコード単位の匿名性保証が検討されてきた．しかし，実際には一つのデータ主体に複数のレコードが存在する．従来のk-匿名化されたレコードは，共通の識別子によって他のレコードと突合された際に匿名性が破綻する場合がある．本稿では，データ主体に複数のレコードが存在する環境において，匿名性破綻を解消する匿名化方式を提案する．提案方式により，プライバシを保護したまま複数のレコードを利用した分析が可能となる．"}]},{"type":"Other","notation":[{"@value":"Personal Records are desired to use various purposes, but it is necessary to protect privacy for data owners by data anonymization such as k-anonymization. Existing k-anonymization methods assume that a data owner has only a personal record and ensure k-anonymity for a record. However, actually, each data owner has multiple personal records with having the same identifier. In this case, k-anonymized records may break k-anonymity because the number of candidates for a data owner can narrow down less than k by linking records having the same identifier. This paper proposes a data anonymization method which prevents such record linking."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420564276162902784","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40401046"},{"@type":"NRID","@value":"1000040401046"},{"@type":"NRID","@value":"9000003884941"},{"@type":"NRID","@value":"9000003920100"},{"@type":"NRID","@value":"9000397663453"},{"@type":"NRID","@value":"9000006282608"},{"@type":"NRID","@value":"9000018419955"},{"@type":"NRID","@value":"9000287167923"},{"@type":"NRID","@value":"9000240521997"},{"@type":"NRID","@value":"9000016326999"},{"@type":"NRID","@value":"9000000852103"},{"@type":"NRID","@value":"9000257812574"},{"@type":"NRID","@value":"9000403599351"},{"@type":"NRID","@value":"9000021512495"},{"@type":"NRID","@value":"9000398258903"},{"@type":"NRID","@value":"9000243877729"},{"@type":"NRID","@value":"9000262365184"},{"@type":"NRID","@value":"9000397663417"},{"@type":"NRID","@value":"9000292880612"},{"@type":"NRID","@value":"9000240051611"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/takahide_kohro"}],"foaf:name":[{"@value":"高橋, 翼"},{"@value":"側高, 幸治"},{"@value":"豊田, 由起"},{"@value":"竹之内, 隆夫"},{"@value":"森, 拓也"},{"@value":"興梠, 貴英"}]},{"@id":"https://cir.nii.ac.jp/crid/1070583790076830341","@type":"Researcher","foaf:name":[{"@value":"Tsubasa, Takahashi"},{"@value":"Koji, Sobataka"},{"@value":"Yuki, Toyoda"},{"@value":"Takao, Takenouchi"},{"@value":"Takuya, Mori"},{"@value":"Takahide, Kohro"}]}],"publication":{"prism:publicationName":[{"@value":"コンピュータセキュリティシンポジウム2012論文集"}],"dc:publisher":[{"@value":"情報処理学会"}],"prism:publicationDate":"2012-10-23","prism:volume":"2012","prism:number":"3","prism:startingPage":"84","prism:endingPage":"91"},"url":[{"@id":"https://ipsj.ixsq.nii.ac.jp/records/86647"},{"@id":"http://id.nii.ac.jp/1001/00086632/"}],"foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=%E3%83%97%E3%83%A9%E3%82%A4%E3%83%90%E3%82%B7%E3%83%BC%E4%BF%9D%E8%AD%B7%EF%BC%8C%E3%83%87%E3%83%BC%E3%82%BF%E5%8C%BF%E5%90%8D%E5%8C%96%EF%BC%8C%E5%8C%BF%E5%90%8D%E6%80%A7%E6%8C%87%E6%A8%99%EF%BC%8C%E3%83%91%E3%83%BC%E3%82%BD%E3%83%8A%E3%83%AB%E6%83%85%E5%A0%B1%EF%BC%8C%E3%83%AC%E3%82%BB%E3%83%97%E3%83%88","dc:title":"プライバシー保護，データ匿名化，匿名性指標，パーソナル情報，レセプト"}],"dcterms:subject":[{"subjectScheme":"Other","notation":[{"@value":"プライバシー保護，データ匿名化，匿名性指標，パーソナル情報，レセプト"}]}],"dataSourceIdentifier":[{"@type":"IRDB","@value":"oai:irdb.nii.ac.jp:02902:0003171556"},{"@type":"CIA","@value":"170000072672"}]}