Javanese BERT Small IMDB

Javanese BERT Small IMDB is a masked language model based on the BERT model. It was trained on Javanese IMDB movie reviews.

The model was originally the pretrained Javanese BERT Small model and is later fine-tuned on the Javanese IMDB movie review dataset. It achieved a perplexity of 19.87 on the validation dataset. Many of the techniques used are based on a Hugging Face tutorial notebook written by Sylvain Gugger.

Hugging Face's Trainer class from the Transformers library was used to train the model. PyTorch was used as the backend framework during training, but the model remains compatible with TensorFlow nonetheless.

Model

Model #params Arch. Training/Validation data (text)
javanese-bert-small-imdb 110M BERT Small Javanese IMDB (47.5 MB of text)

Evaluation Results

The model was trained for 5 epochs and the following is the final result once the training ended.

train loss valid loss perplexity total time
3.070 2.989 19.87 3:12:33

How to Use

As Masked Language Model

from transformers import pipeline

pretrained_name = "w11wo/javanese-bert-small-imdb"

fill_mask = pipeline(
    "fill-mask",
    model=pretrained_name,
    tokenizer=pretrained_name
)

fill_mask("Aku mangan sate ing [MASK] bareng konco-konco")

Feature Extraction in PyTorch

from transformers import BertModel, BertTokenizerFast

pretrained_name = "w11wo/javanese-bert-small-imdb"
model = BertModel.from_pretrained(pretrained_name)
tokenizer = BertTokenizerFast.from_pretrained(pretrained_name)

prompt = "Indonesia minangka negara gedhe."
encoded_input = tokenizer(prompt, return_tensors='pt')
output = model(**encoded_input)

Disclaimer

Do consider the biases which came from the IMDB review that may be carried over into the results of this model.

Author

Javanese BERT Small was trained and evaluated by Wilson Wongso. All computation and development are done on Google Colaboratory using their free GPU access.

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Dataset used to train w11wo/javanese-bert-small-imdb