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

Table 6

Comparison with existing works.

Privacy model	Network	Solution	ILoss
Wu et al. [18]	Mobile network	Encryption	Less
Hakola et al. [19]	IoT	Encryption	Less
Li et al. [21]	Mix-net	Encryption generalization	Reasonable
Our model	IoT	MapReduce generalization	Reasonable