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arXiv 1603.01445cs.LO
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连续随机采样的近似关系霍尔逻辑

Approximate Relational Hoare Logic for Continuous Random Samplings

Tetsuya Sato

摘要:

近似关系霍尔逻辑(Approximate Relational Hoare Logic,简称apRHL)是一种用程序设计语言pWHILE编写的用于数据库差分隐私的形式化验证的逻辑。然而,严格地说,这种逻辑只处理离散的随机采样。本文定义了Giry monad亚概率变体的分级关系提升,它描述了差分隐私。我们扩展的逻辑apRHL与此分级提升处理连续随机采样。本文给出了连续随机抽样情形下apRHL证明规则的一般方法。

英文摘要:

Approximate relational Hoare logic (apRHL) is a logic for formal verification of the differential privacy of databases written in the programming language pWHILE. Strictly speaking, however, this logic deals only with discrete random samplings. In this paper, we define the graded relational lifting of the subprobabilistic variant of Giry monad, which described differential privacy. We extend the logic apRHL with this graded lifting to deal with continuous random samplings. We give a generic method to give proof rules of apRHL for continuous random samplings.

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