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- W4302402010 abstract "In this paper, we consider secure outsourced growing databases that support view-based query answering. These databases allow untrusted servers to privately maintain a materialized view, such that they can use only the materialized view to process query requests instead of accessing the original data from which the view was derived. To tackle this, we devise a novel view-based secure outsourced growing database framework, Incshrink. The key features of this solution are: (i) Incshrink maintains the view using incremental MPC operators which eliminates the need for a trusted third party upfront, and (ii) to ensure high performance, Incshrink guarantees that the leakage satisfies DP in the presence of updates. To the best of our knowledge, there are no existing systems that have these properties. We demonstrate Incshrink's practical feasibility in terms of efficiency and accuracy with extensive empirical evaluations on real-world datasets and the TPC-ds benchmark. The evaluation results show that Incshrink provides a 3-way trade-off in terms of privacy, accuracy, and efficiency guarantees, and offers at least a 7,800 times performance advantage over standard secure outsourced databases that do not support the view-based query paradigm." @default.
- W4302402010 created "2022-10-06" @default.
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- W4302402010 date "2022-03-09" @default.
- W4302402010 modified "2023-09-29" @default.
- W4302402010 title "IncShrink: Architecting Efficient Outsourced Databases using Incremental MPC and Differential Privacy" @default.
- W4302402010 doi "https://doi.org/10.48550/arxiv.2203.05084" @default.
- W4302402010 hasPublicationYear "2022" @default.
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