Table 3.

Articles that can be classified by means of their Encryption Algorithms.

Multi-dimensional Data aggregation	[42,55,56,57,60,62,64]
Cognitive Risk Control	[37,82]
Not Defined	[19,20,22,23,24,26,28,29,31,35,36,38,39,43,45,46,47,48,50,52,53,54,58,61,63,73,76,77,78,79,81,98,99,100,101,102,103,104,105,106,107,108,109,110]