Research Article
A Bitwise Design and Implementation for Privacy-Preserving Data Mining: From Atomic Operations to Advanced Algorithms
Algorithm 4
FHE sigmoid function by Taylor expansion.
ā | Input: a training data | ā | Output: logistic value of w.r.t the Taylor expansion method | (1) | Convert coefficient into arrays | (2) | Construct power series of x to 9th power | (3) | Multiply with corresponding power of x | (4) | Add all the derived terms in step 3 |
|