Privacy-preserving machine learning with tensor networks
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arXiv
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| Format: | Preprint |
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2022
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| author | Pozas-Kerstjens, Alejandro Hernández-Santana, Senaida Monturiol, José Ramón Pareja López, Marco Castrillón Scarpa, Giannicola González-Guillén, Carlos E. Pérez-García, David |
| author_facet | Pozas-Kerstjens, Alejandro Hernández-Santana, Senaida Monturiol, José Ramón Pareja López, Marco Castrillón Scarpa, Giannicola González-Guillén, Carlos E. Pérez-García, David |
| contents | Tensor networks, widely used for providing efficient representations of low-energy states of local quantum many-body systems, have been recently proposed as machine learning architectures which could present advantages with respect to traditional ones. In this work we show that tensor network architectures have especially prospective properties for privacy-preserving machine learning, which is important in tasks such as the processing of medical records. First, we describe a new privacy vulnerability that is present in feedforward neural networks, illustrating it in synthetic and real-world datasets. Then, we develop well-defined conditions to guarantee robustness to such vulnerability, which involve the characterization of models equivalent under gauge symmetry. We rigorously prove that such conditions are satisfied by tensor-network architectures. In doing so, we define a novel canonical form for matrix product states, which has a high degree of regularity and fixes the residual gauge that is left in the canonical forms based on singular value decompositions. We supplement the analytical findings with practical examples where matrix product states are trained on datasets of medical records, which show large reductions on the probability of an attacker extracting information about the training dataset from the model's parameters. Given the growing expertise in training tensor-network architectures, these results imply that one may not have to be forced to make a choice between accuracy in prediction and ensuring the privacy of the information processed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2202_12319 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Privacy-preserving machine learning with tensor networks Pozas-Kerstjens, Alejandro Hernández-Santana, Senaida Monturiol, José Ramón Pareja López, Marco Castrillón Scarpa, Giannicola González-Guillén, Carlos E. Pérez-García, David Cryptography and Security Statistical Mechanics Artificial Intelligence Machine Learning Quantum Physics Tensor networks, widely used for providing efficient representations of low-energy states of local quantum many-body systems, have been recently proposed as machine learning architectures which could present advantages with respect to traditional ones. In this work we show that tensor network architectures have especially prospective properties for privacy-preserving machine learning, which is important in tasks such as the processing of medical records. First, we describe a new privacy vulnerability that is present in feedforward neural networks, illustrating it in synthetic and real-world datasets. Then, we develop well-defined conditions to guarantee robustness to such vulnerability, which involve the characterization of models equivalent under gauge symmetry. We rigorously prove that such conditions are satisfied by tensor-network architectures. In doing so, we define a novel canonical form for matrix product states, which has a high degree of regularity and fixes the residual gauge that is left in the canonical forms based on singular value decompositions. We supplement the analytical findings with practical examples where matrix product states are trained on datasets of medical records, which show large reductions on the probability of an attacker extracting information about the training dataset from the model's parameters. Given the growing expertise in training tensor-network architectures, these results imply that one may not have to be forced to make a choice between accuracy in prediction and ensuring the privacy of the information processed. |
| title | Privacy-preserving machine learning with tensor networks |
| topic | Cryptography and Security Statistical Mechanics Artificial Intelligence Machine Learning Quantum Physics |
| url | https://arxiv.org/abs/2202.12319 |