Evaluating privacy-preserving record linkage using cryptographic long-term keys and multibit trees on large medical datasets

Abstract

We argue that increased privacy of PPRL comes with the price of small losses in precision and recall and a large increase in computational burden and setup time. These costs seem to be acceptable in most applied settings, but they have to be considered in the decision to apply PPRL. Further research on the optimal automatic choice of parameters is needed.

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