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

Table 1

Source data and output of the mapper.

Source data	Output of the mapper
[1 : 6][10 : 11]	1, {s1, 1}, 1	10, {s1, 1}, 1
[1 : 6][10 : 11]	1, {s2, 1}, 1	11, {s2, 1}, 1
[1 : 6][10 : 11]	4, {s1, 1}, 1	10, {s1, 1}, 1
[1 : 6][10 : 11]	6, {s1, 1}, 1	13, {s1, 1}, 1
[1 : 6][10 : 11]	6, {s3, 1}, 1	11, {s3, 1}, 1