Table 2 Results of several previous works in Vietnamese NER
From: Text normalization for named entity recognition in Vietnamese tweets
System | Entity types | Precision (%) | Recall (%) | F1 (%) |
|---|---|---|---|---|
[19] | PER | 84 | 82.56 | 83.39 |
[36] | PER, ORG, LOC, NA, FA, RE | 92 | 76 | 83 |
[38] | PER, ORG, LOC | 86.05 | 81.11 | 83.51 |
[46] | PER, ORG, LOC | 93.13 | 88.15 | 79.35 |
[48] | PER, ORG, LOC, CUR, NUM, PERC, TIME | 86.44 | 85.86 | 89.12 |
[49] | PER, ORG, LOC, CUR, NUM, PERC, TIME | 89.05 | 86.49 | 87.75 |
[52] | PER, ORG, LOC, CUR, NUM, PERC, TIME, MISC | 83.69 | 87.41 | 85.51 |