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mrm8488/
electricidad-small-discriminator

Name: electricidad-small-discriminator
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ELECTRICIDAD: The Spanish Electra Imgur

ELECTRICIDAD is a small Electra like model (discriminator in this case) trained on a Large Spanish Corpus (aka BETO's corpus).

As mentioned in the original paper: ELECTRA is a new method for self-supervised language representation learning. It can be used to pre-train transformer networks using relatively little compute. ELECTRA models are trained to distinguish "real" input tokens vs "fake" input tokens generated by another neural network, similar to the discriminator of a GAN. At small scale, ELECTRA achieves strong results even when trained on a single GPU. At large scale, ELECTRA achieves state-of-the-art results on the SQuAD 2.0 dataset.

For a detailed description and experimental results, please refer the paper ELECTRA: Pre-training Text Encoders as Discriminators Rather Than Generators.

Model details ⚙

Param	# Value
Layers	\t12
Hidden	256 \t
Params	14M

Evaluation metrics (for discriminator) 🧾

Metric	# Score
Accuracy	0.94
Precision	0.76
AUC	0.92

Benchmarks 🔨

WIP 🚧

How to use the discriminator in `transformers`

python

from transformers import ElectraForPreTraining, ElectraTokenizerFast
import torch

discriminator = ElectraForPreTraining.from_pretrained("mrm8488/electricidad-small-discriminator")
tokenizer = ElectraTokenizerFast.from_pretrained("mrm8488/electricidad-small-discriminator")

sentence = "el zorro rojo es muy rápido"
fake_sentence = "el zorro rojo es muy ser"

fake_tokens = tokenizer.tokenize(sentence)
fake_inputs = tokenizer.encode(sentence, return_tensors="pt")
discriminator_outputs = discriminator(fake_inputs)
predictions = torch.round((torch.sign(discriminator_outputs[0]) + 1) / 2)

[print("%7s" % token, end="") for token in fake_tokens]

[print("%7s" % int(prediction), end="") for prediction in predictions.tolist()[1:-1]]

# Output:
'''
el  zorro   rojo     es    muy    ser      0      0      0      0      0      1[None, None, None, None, None, None]
'''

As you can see there is a 1 in the place where the model detected the fake token (ser). So, it works! 🎉

Electricidad-small fine-tuned models

Acknowledgments

I thank 🤗/transformers team for answering my doubts and Google for helping me with the TensorFlow Research Cloud program.

Citation

If you want to cite this model you can use this:

bibtex

@misc{mromero2020electricidad-small-discriminator,
  title={Spanish Electra (small) by Manuel Romero},
  author={Romero, Manuel},
  publisher={Hugging Face},
  journal={Hugging Face Hub},
  howpublished={\url{https://huggingface.co/mrm8488/electricidad-small-discriminator}},
  year={2020}
}

Created by Manuel Romero/@mrm8488

Made with ♥ in Spain

mrm8488/electricidad-small-discriminator