Tigrinya POS tagging with TiRoBERTa

This model is a fine-tuned version of TiRoBERTa on the NTC-v1 dataset (Tedla et al. 2016).

Training

Hyperparameters

The following hyperparameters were used during training:

learning_rate: 5e-05
train_batch_size: 8
eval_batch_size: 32
seed: 42
optimizer: Adam with betas=(0.9,0.999) and epsilon=1e-08
lr_scheduler_type: linear
num_epochs: 10.0

Results

The model achieves the following results on the test set:

Loss: 0.3194
Adj Precision: 0.9219
Adj Recall: 0.9335
Adj F1: 0.9277
Adj Number: 1670
Adv Precision: 0.8297
Adv Recall: 0.8554
Adv F1: 0.8423
Adv Number: 484
Con Precision: 0.9844
Con Recall: 0.9763
Con F1: 0.9804
Con Number: 972
Fw Precision: 0.7895
Fw Recall: 0.5357
Fw F1: 0.6383
Fw Number: 28
Int Precision: 0.6552
Int Recall: 0.7308
Int F1: 0.6909
Int Number: 26
N Precision: 0.9650
N Recall: 0.9662
N F1: 0.9656
N Number: 3992
Num Precision: 0.9747
Num Recall: 0.9665
Num F1: 0.9706
Num Number: 239
N Prp Precision: 0.9308
N Prp Recall: 0.9447
N Prp F1: 0.9377
N Prp Number: 470
N V Precision: 0.9854
N V Recall: 0.9736
N V F1: 0.9794
N V Number: 416
Pre Precision: 0.9722
Pre Recall: 0.9625
Pre F1: 0.9673
Pre Number: 907
Pro Precision: 0.9448
Pro Recall: 0.9236
Pro F1: 0.9341
Pro Number: 445
Pun Precision: 1.0
Pun Recall: 0.9994
Pun F1: 0.9997
Pun Number: 1607
Unc Precision: 1.0
Unc Recall: 0.875
Unc F1: 0.9333
Unc Number: 16
V Precision: 0.8780
V Recall: 0.9231
V F1: 0.9
V Number: 78
V Aux Precision: 0.9685
V Aux Recall: 0.9878
V Aux F1: 0.9780
V Aux Number: 654
V Ger Precision: 0.9388
V Ger Recall: 0.9571
V Ger F1: 0.9479
V Ger Number: 513
V Imf Precision: 0.9634
V Imf Recall: 0.9497
V Imf F1: 0.9565
V Imf Number: 914
V Imv Precision: 0.8793
V Imv Recall: 0.7286
V Imv F1: 0.7969
V Imv Number: 70
V Prf Precision: 0.8960
V Prf Recall: 0.9082
V Prf F1: 0.9020
V Prf Number: 294
V Rel Precision: 0.9678
V Rel Recall: 0.9538
V Rel F1: 0.9607
V Rel Number: 757
Overall Precision: 0.9562
Overall Recall: 0.9562
Overall F1: 0.9562
Overall Accuracy: 0.9562

Framework versions

Transformers 4.12.0.dev0
Pytorch 1.9.0+cu111
Datasets 1.13.3
Tokenizers 0.10.3

Citation

If you use this model in your product or research, please cite as follows:

@article{Fitsum2021TiPLMs,
  author={Fitsum Gaim and Wonsuk Yang and Jong C. Park},
  title={Monolingual Pre-trained Language Models for Tigrinya},
  year=2021,
  publisher={WiNLP 2021/EMNLP 2021}
}

References

Tedla, Y., Yamamoto, K. & Marasinghe, A. 2016.
Tigrinya Part-of-Speech Tagging with Morphological Patterns and the New Nagaoka Tigrinya Corpus.
International Journal Of Computer Applications 146 pp. 33-41 (2016).

fgaim
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tiroberta-pos