readme: # BERT-Small CORD-19 fine-tuned on SQuAD 2.0
  
  [bert-small-cord19 model](https://huggingface.co/NeuML/bert-small-cord19) fine-tuned on SQuAD 2.0
  
  ## Building the model
  
  ```bash
  python run_squad.py
      --model_type bert
      --model_name_or_path bert-small-cord19
      --do_train
      --do_eval
      --do_lower_case
      --version_2_with_negative
      --train_file train-v2.0.json
      --predict_file dev-v2.0.json
      --per_gpu_train_batch_size 8
      --learning_rate 3e-5
      --num_train_epochs 3.0
      --max_seq_length 384
      --doc_stride 128
      --output_dir bert-small-cord19-squad2
      --save_steps 0
      --threads 8
      --overwrite_cache
      --overwrite_output_dir
  