D2D Big Data Privacy-Preserving Framework Based on (a, k)-Anonymity Model

Table 4

List of notations.

Notation	Explanation
N	Number of data records
n	Number of mappers/combiners
d	Number of dimensions
m	Number of sensitive attributes
	Data record
	equivalence class
	Whether the decision variable is splittable in the ith iteration
	Record the number of different dimensions d