Efficient Two-Step Protocol and Its Discriminative Feature Selections in Secure Similar Document Detection

Algorithm 6

Modification of Line of SSDD-FS to implement SSDD-GF.

(1-0) Obtain through SecureDF and determine dimensions, (), from .

(1-1) and are -dimensional document vectors.

(1-2) and are -dimensional feature vectors extracted from and by using those

   indexes. // , , .