987654321 / 123456789
https://www.johndcook.com/blog/2025/10/26/987654321/
#HackerNews #987654321 #123456789 #JohnDcook #Blog #Tech #News
987654321 / 123456789
https://www.johndcook.com/blog/2025/10/26/987654321/
#HackerNews #987654321 #123456789 #JohnDcook #Blog #Tech #News
Differential Privacy
Comparing Truncation to Differential PrivacyTraditional methods of data de-identification obscure datavalues. For
example, you might truncate a date to just the year.
Differential privacy obscures queryvalues by injecting enough noise
to keep from revealing information on an individual.
Let’s compare two approaches for de-identifying a person’s age:
truncation and differential privacy.
TruncationFirst consider truncating birth date to year. For example, anyone born
between January 1, 1955 and December 31, 1955 would be recorded as being https://social.isurf.ca/display/c443a55c-115c-dcd9-4d8e-874840592875