Open Access
Table 8.
The performance of the six attack methods on three datasets and the defense effect of ensemble distillation. BN denotes BadNets, RP denotes RIPPLe, Ins denotes InsertSent, HK denotes HiddenKiller, Style denotes StyleBkd
| Dataset | Victim | BERT-base |
BERT-large |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Attack | BN | RP | Ins | HK | Style | SOS | BN | RP | Ins | HK | Style | SOS | |
| SST-2 | ASR | 100 | 100 | 99.9 | 89.4 | 95.4 | 100 | 99.9 | 99.9 | 100 | 89.1 | 89.6 | 100 |
| CA | 91.6 | 89.1 | 90.8 | 90.4 | 91.7 | 89.7 | 92.9 | 92.0 | 92.9 | 92.8 | 93.2 | 93.2 | |
| △ASR | 6.5 | 9.5 | 17.4 | 22.4 | 31.1 | 13.6 | 6.6 | 6.1 | 21.9 | 12.9 | 30.0 | 9.6 | |
| △CA | 80.2 | 80.8 | 82.4 | 83.1 | 83.0 | 83.5 | 79.6 | 82.4 | 83.7 | 83.7 | 82.8 | 84.2 | |
| OLID2 | ASR | 100 | 99.9 | 99.9 | 90.3 | 81.4 | 100 | 99.9 | 99.9 | 100 | 90.5 | 81.0 | 100 |
| CA | 80.7 | 80.3 | 81.0 | 83.0 | 83.0 | 81.2 | 83.2 | 82.5 | 82.0 | 81.2 | 81.4 | 81.4 | |
| △ASR | 10.4 | 10.8 | 19.2 | 27.9 | 28.0 | 13.9 | 10.0 | 9.4 | 21.7 | 16.9 | 25.1 | 11.0 | |
| △CA | 73.1 | 75.5 | 74.0 | 73.6 | 73.0 | 72.8 | 71.3 | 73.1 | 72.1 | 75.1 | 74.0 | 72.8 | |
| AG News | ASR | 100 | 99.9 | 100 | 94.8 | 57.0 | 100 | 100 | 99.9 | 99.9 | 94.2 | 56.8 | 100 |
| CA | 94.2 | 92.0 | 93.0 | 93.8 | 94.6 | 93.2 | 93.3 | 93.8 | 93.7 | 94.3 | 94.6 | 94.5 | |
| △ASR | 12.5 | 12.6 | 17.2 | 20.6 | 6.6 | 12.9 | 11.3 | 11.1 | 17.6 | 18.7 | 7.6 | 13.3 | |
| △CA | 82.3 | 81.8 | 81.4 | 81.7 | 81.4 | 82.5 | 81.6 | 82.2 | 81.8 | 81.7 | 83.9 | 83.2 | |
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