Fill-Mask
Transformers
PyTorch
Bulgarian
bert
torch
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---
inference: false
language:
- bg
license: mit
datasets:
- oscar
- chitanka
- wikipedia
tags:
- torch
---

# BERT BASE (cased)

Pretrained model on Bulgarian language using a masked language modeling (MLM) objective. It was introduced in
[this paper](https://arxiv.org/abs/1810.04805) and first released in
[this repository](https://github.com/google-research/bert). This model is cased: it does make a difference
between bulgarian and Bulgarian.

## Model description

The model was trained similarly to [RuBert](https://arxiv.org/pdf/1905.07213.pdf) wherein the Multilingual Bert was adapted for the Russian language.

The training data was Bulgarian text from [OSCAR](https://oscar-corpus.com/post/oscar-2019/), [Chitanka](https://chitanka.info/) and [Wikipedia](https://bg.wikipedia.org/).

### How to use

Here is how to use this model in PyTorch:

```python
>>> from transformers import pipeline
>>> 
>>> model = pipeline(
>>>     'fill-mask',
>>>     model='rmihaylov/bert-base-bg',
>>>     tokenizer='rmihaylov/bert-base-bg',
>>>     device=0,
>>>     revision=None)
>>> output = model("София е [MASK] на България.")
>>> print(output)

[{'score': 0.12665307521820068,
  'sequence': 'София е  столица на България.',
  'token': 2659,
  'token_str': 'столица'},
 {'score': 0.07470757514238358,
  'sequence': 'София е Перлата на България.',
  'token': 102146,
  'token_str': 'Перлата'},
 {'score': 0.06786204129457474,
  'sequence': 'София е  Столицата на България.',
  'token': 45495,
  'token_str': 'Столицата'},
 {'score': 0.05533991754055023,
  'sequence': 'София е  Столица на България.',
  'token': 100524,
  'token_str': 'Столица'},
 {'score': 0.05485989898443222,
  'sequence': 'София е  столицата на България.',
  'token': 2294,
  'token_str': 'столицата'}]
```