Years and Authors of Summarized Original Work
2014; Dwork, Talwar, Thakurta, Zhang
2014; Hardt, Price
Problem Definition
Spectral analysis refers to a family of popular and effective methods that analyze an input matrix by exploiting information about its eigenvectors or singular vectors. Applications include principal component analysis, low-rank approximation, and spectral clustering. Many of these applications are commonly performed on data sets that feature sensitive information such as patient records in a medical study. In such cases privacy is a major concern. Differential privacy is a powerful general-purpose privacy definition. This entry explains how differential privacy may be applied to task of approximately computing the top singular vectors of a matrix.
Generally speaking, the input is a real-valued matrix \(A \in \mathbb{R}^{m\times n}\) and a parameter \(k \in \mathbb{N}\). We think of the input matrix as specifying n attributes for mindividuals. The goal of the...
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Recommended Reading
Blum A, Dwork C, McSherry F, Nissim K (2005) Practical privacy: the SuLQ framework. In: Proceedings of the 24th PODS. ACM, pp 128–138
Dwork C, Talwar K, Thakurta A, Zhang L (2014) Analyze gauss: optimal bounds for privacy-preserving principal component analysis. In: Proceedings of the 46th symposium on theory of computing (STOC). ACM, pp 11–20
Hardt M, Price E (2014) The noisy power method: A meta algorithm with applications. CoRR abs/1311.2495v2. http://arxiv.org/abs/1311.2495
Hardt M, Roth A (2012) Beating randomized response on incoherent matrices. In: Proceedings of the 44th symposium on theory of computing (STOC). ACM, pp 1255–1268
Hardt M, Roth A (2013) Beyond worst-case analysis in private singular vector computation. In: Proceedings of the 45th Symposium on Theory of Computing (STOC). ACM
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Hardt, M. (2014). Private Spectral Analysis. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, Boston, MA. https://doi.org/10.1007/978-3-642-27848-8_552-1
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DOI: https://doi.org/10.1007/978-3-642-27848-8_552-1
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Publisher Name: Springer, Boston, MA
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