language: en
Electra base ⚡ + SQuAD v1 ❓
Electra-base-discriminator fine-tuned on SQUAD v1.1 dataset for Q&A downstream task.
Details of the downstream task (Q&A) - Model 🧠
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.
Details of the downstream task (Q&A) - Dataset 📚
Stanford Question Answering Dataset (SQuAD) is a reading comprehension dataset, consisting of questions posed by crowdworkers on a set of Wikipedia articles, where the answer to every question is a segment of text, or span, from the corresponding reading passage, or the question might be unanswerable. SQuAD v1.1 contains 100,000+ question-answer pairs on 500+ articles.
Model training 🏋️
The model was trained on a Tesla P100 GPU and 25GB of RAM with the following command:
python transformers/examples/question-answering/run_squad.py \
--model_type electra \
--model_name_or_path 'google/electra-base-discriminator' \
--do_eval \
--do_train \
--do_lower_case \
--train_file '/content/dataset/train-v1.1.json' \
--predict_file '/content/dataset/dev-v1.1.json' \
--per_gpu_train_batch_size 16 \
--learning_rate 3e-5 \
--num_train_epochs 10 \
--max_seq_length 384 \
--doc_stride 128 \
--output_dir '/content/output' \
--overwrite_output_dir \
--save_steps 1000
Test set Results 🧾
| Metric | # Value |
|---|---|
| EM | 83.03 |
| F1 | 90.77 |
| Size | + 400 MB |
Very good metrics for such a "small" model!
{
'exact': 83.03689687795648,
'f1': 90.77486052446231,
'total': 10570,
'HasAns_exact': 83.03689687795648,
'HasAns_f1': 90.77486052446231,
'HasAns_total': 10570,
'best_exact': 83.03689687795648,
'best_exact_thresh': 0.0,
'best_f1': 90.77486052446231,
'best_f1_thresh': 0.0
}
Model in action 🚀
Fast usage with pipelines:
from transformers import pipeline
QnA_pipeline = pipeline('question-answering', model='mrm8488/electra-base-finetuned-squadv1')
QnA_pipeline({
'context': 'A new strain of flu that has the potential to become a pandemic has been identified in China by scientists.',
'question': 'What has been discovered by scientists from China ?'
})
# Output:
{'answer': 'A new strain of flu', 'end': 19, 'score': 0.9995211430099182, 'start': 0}
Created by Manuel Romero/@mrm8488 | LinkedIn Made with ♥ in Spain