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BRATsynthetic: Text De-identification using a Markov Chain Replacement Strategy for Surrogate Personal Identifying Information. (arXiv:2210.16125v1 [cs.CR])
Oct. 31, 2022, 1:20 a.m. | John D. Osborne, Tobias O'Leary, Akhil Nadimpalli, Salma M. Aly., Richard E. Kennedy
cs.CR updates on arXiv.org arxiv.org
Objective: Implement and assess personal health identifying information (PHI)
substitution strategies and quantify their privacy preserving benefits.
Materials and Methods: We implement and assess 3 different `Hiding in Plain
Sight` (HIPS) strategies for PHI replacement including a standard Consistent
replacement strategy, a Random replacement strategy and a novel Markov
model-based strategy. We evaluate the privacy preserving benefits of these
strategies on a synthetic PHI distribution and real clinical corpora from 2
different institutions using a range of false negative error …
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