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Stud Health Technol Inform. 2019 Jul 4;262:368-371. doi: 10.3233/SHTI190095.

Hiding Decision Tree Rules in Medical Data: A Case Study.

Author information

1
School of Science and Technology, Hellenic Open University, Patras 263 35, Greece.

Abstract

Data sharing among health organizations has become an increasingly common process, but any organization will most likely try to hide some sensitive patterns before it shares its data with others. This article focuses on the protection of sensitive patterns when we assume that decision trees will be the models to be induced. We apply a heuristic approach to hideany arbitrary rule from the derivation of a binary decision tree. The proposed hiding method is preferred over other heuristic solutions such as output disturbance or encryption methods that limit data usability, as the raw data itself can then more easily be offered for access by any third parties.

KEYWORDS:

Decision trees; data sharing; hiding decision tree rules; medical data; privacy preserving

PMID:
31349344
DOI:
10.3233/SHTI190095

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