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bert-base-squad2-uncased

Question Answering
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bert-base-squad2-uncased / README.md
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metadata
license: mit
datasets:
  - squad_v2
language:
  - en
tags:
  - Bert
  - SQuAD2.0
  - SQuAD
pipeline_tag: question-answering

Extract QA Model (SQuAD2.0)

Model Information

Pretrained model: google/bert_uncased_L-12_H-768_A-12

Training Hyperparameters 

epochs = 2
batch_size = 24
learning_rate = 3e-5

max_seq_length = 384
doc_stride = 128
max_query_length = 256

Latest Result 

// 11 Apr 2023, 11:08 (Staging Epoch 1, total epoch 4, Correct Tokenizer)
{
    "exact": 74.43780005053483,
    "f1": 77.49749091378419,
    "total": 11873,
    "HasAns_exact": 73.73481781376518,
    "HasAns_f1": 79.86297395738177,
    "HasAns_total": 5928,
    "NoAns_exact": 75.13877207737595,
    "NoAns_f1": 75.13877207737595,
    "NoAns_total": 5945,
    "best_exact": 74.43780005053483,
    "best_exact_thresh": 0.0,
    "best_f1": 77.49749091378418,
    "best_f1_thresh": 0.0
}

// 11 Apr 2023, 09:38 (Staging Epoch 3, total epoch 4, Correct Tokenizer)
{
    "exact": 73.99983155057694,
    "f1": 77.23749498407376,
    "total": 11873,
    "HasAns_exact": 72.85762483130904,
    "HasAns_f1": 79.3422364955984,
    "HasAns_total": 5928,
    "NoAns_exact": 75.13877207737595,
    "NoAns_f1": 75.13877207737595,
    "NoAns_total": 5945,
    "best_exact": 73.99983155057694,
    "best_exact_thresh": 0.0,
    "best_f1": 77.23749498407373,
    "best_f1_thresh": 0.0
}

// 24 Mar 2023, 19:57 (Invalid Tokenizer)
{
    "exact": 74.12616861787248,
    "f1": 77.34212395572948,
    "total": 11873,
    "HasAns_exact": 72.72267206477733,
    "HasAns_f1": 79.16380528447645,
    "HasAns_total": 5928,
    "NoAns_exact": 75.52565180824222,
    "NoAns_f1": 75.52565180824222,
    "NoAns_total": 5945,
    "best_exact": 74.12616861787248,
    "best_exact_thresh": 0.0,
    "best_f1": 77.34212395572948,
    "best_f1_thresh": 0.0
}

// 23 Mar 2023,  (Invalid Tokenizer)
{
    "exact": 73.77242482944496,
    "f1": 76.83752039897598,
    "total": 11873,
    "HasAns_exact": 71.72739541160594,
    "HasAns_f1": 77.86637646711235,
    "HasAns_total": 5928,
    "NoAns_exact": 75.81160639192599,
    "NoAns_f1": 75.81160639192599,
    "NoAns_total": 5945,
    "best_exact": 73.77242482944496,
    "best_exact_thresh": 0.0,
    "best_f1": 76.83752039897604,
    "best_f1_thresh": 0.0
}