About SAKURABA TAKETOSHI
About 日立 システム開研
About SAKURAI KOICHI
About 九大 大学院システム情報科学研究院
About 情報処理学会研究報告
About access control
About computer security
About information processing
About information
About secret
About dynamic characteristic
About semantics
About policy
About proof(evidence)
About lattice(mathematics)
About information flow
About 秘匿情報
About 秘匿性ポリシー
About Data protection
About System and control theory in general
About 秘匿性
About 束
About モデル