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Fig. 2 | Journal of Big Data

Fig. 2

From: Improving MapReduce privacy by implementing multi-dimensional sensitivity-based anonymization

Fig. 2

Plotted graph to derive Eq. 5 for aging factor: This diagram presents our suggested concept of how the sensitivity value would look like with the aging factor. From this diagram, a mathematical equation was derived as \(\tau = \left\{ {\begin{array}{ll} { - \rho \times \omega } & {y < \emptyset } \\ { - \rho ^{{(y - 2)}} \times \omega \times \log y} & {y \ge \emptyset } \\ \end{array} } \right.\) If data owners found that his data importance degrades with the time, then the degradation should start after a period of time, named as obsolescence value Ø

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