Model

Attack Method

USR%/TSR%

Perturbation%

TextFooler

69.5/24.0

13.9/43.9

BERT

FastAttacker(+f_t)

42.4/9.3

4.7/9.1

Acc:

FastAttacker(+f_e)

74.4/59.3

5.7/10.9

FastAttacker(+f_b)

84.3/79.7

4.4/9.1

FastAttacker(+f_all)

94.6/90.8

4.3/10.2

BERT-Attack

80.3/44.9

25.0/30.3