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Javanese DistilBERT Small

Javanese DistilBERT Small is a masked language model based on the DistilBERT model. It was trained on the latest (late December 2020) Javanese Wikipedia articles.

The model was originally HuggingFace's pretrained English DistilBERT model and is later fine-tuned on the Javanese dataset. It achieved a perplexity of 23.54 on the validation dataset (20% of the articles). Many of the techniques used are based on a Hugging Face tutorial notebook written by Sylvain Gugger, and fine-tuning tutorial notebook written by Pierre Guillou.

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


Model #params Arch. Training/Validation data (text)
javanese-distilbert-small 66M DistilBERT Small Javanese Wikipedia (319 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
3.088 3.153 23.54 1:46:37

How to Use

As Masked Language Model

from transformers import pipeline

pretrained_name = "w11wo/javanese-distilbert-small"

fill_mask = pipeline(

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

Feature Extraction in PyTorch

from transformers import DistilBertModel, DistilBertTokenizerFast

pretrained_name = "w11wo/javanese-distilbert-small"
model = DistilBertModel.from_pretrained(pretrained_name)
tokenizer = DistilBertTokenizerFast.from_pretrained(pretrained_name)

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


Do remember that although the dataset originated from Wikipedia, the model may not always generate factual texts. Additionally, the biases which came from the Wikipedia articles may be carried over into the results of this model.


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


If you use any of our models in your research, please cite:

    title={Causal and Masked Language Modeling of Javanese Language using Transformer-based Architectures},
    author={Wongso, Wilson and Setiawan, David Samuel and Suhartono, Derwin},
    booktitle={2021 International Conference on Advanced Computer Science and Information Systems (ICACSIS)},
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Dataset used to train w11wo/javanese-distilbert-small