Question
Exponential Mechanism: Query the most frequent Education result. Design an Exponential mecha nism to ensure -differential privacy for the query. Repeat all the above procedures
Exponential Mechanism: Query the most frequent Education result. Design an Exponential mecha
nism to ensure -differential privacy for the query. Repeat all the above procedures with = 0.5, 1.0.
1. 6 Points. In case of = 0.5, generate 1,000 results for the query over the original dataset, and
generate 1,000 results for the query over each of three other datasets: removing a record with the most
frequent Education; removing any record with the second most frequent Education; and removing
any record with the least frequent Education.
2. 6 Points. In each of the above 4 groups of 1,000 results, define a measure and utilize it to validate
that each of the last 3 groups of results and the original results are 0.5-indistinguishable.
3. 6 Points. Repeat all the above for = 1.0, utilize the above measure to validate that each of the last
3 groups of results and the original results are 1.0-indistinguishable.
4. 7 Points. Define another measure and utilize it to justify that the distortion of the 4,000 results for
= 1.0 is less than that of = 0.5.
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