Table 8: Approval status table.

Similarity value Assessment status

𝑆 𝑖 [ 0 , 0 . 5 ) Do not recommend
𝑆 𝑖 [ 0 . 5 , 0 . 7 ) Recommend with high risk
𝑆 𝑖 [ 0 . 7 , 0 . 8 ) Recommend with low risk
𝑆 𝑖 [ 0 . 8 , 0 . 9 ) Approved
𝑆 𝑖 [ 0 . 9 , 1 . 0 ] Approved and preferred