stem knows the type and intensity of the de-identification algorithm, where 
de-identification is best viewed as a process, not an algorithm - a process that reduces Privacy risk while enabling a targeted and authorized use-case.
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<b>Direct-Identifier</b> - ISO/IEC 20889:2018 - attribute that alone enables unique identification of a data principal within a specific operational context. The operational context includes the information that the entity processing (e.g. de-identifying) the data