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l‑Diversity
Anonymization
Making sure each group has varied sensitive values.
Definition
l‑diversity is a privacy rule that says each group in the data should contain at least l different sensitive values.
In plain English
Making sure each group has varied sensitive values.
Why this matters
Why it matters: It reduces “guessing” sensitive info even if someone knows your group.
Example
Example: In a group, there shouldn’t be only one disease value for everyone.