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---
language: es
thumbnail: https://i.imgur.com/jgBdimh.png
tags:
- POS
- Spanish
widget:
- text: "Mis amigos y yo estamos pensando en viajar a Londres este verano."
---
# Spanish BERT (BETO) + POS
This model is a fine-tuned on Spanish [CONLL CORPORA](https://www.kaggle.com/nltkdata/conll-corpora) version of the Spanish BERT cased [(BETO)](https://github.com/dccuchile/beto) for **POS** (Part of Speech tagging) downstream task.
## Details of the downstream task (POS) - Dataset
- [Dataset: CONLL Corpora ES](https://www.kaggle.com/nltkdata/conll-corpora) with data augmentation techniques
I preprocessed the dataset and split it as train / dev (80/20)
| Dataset | # Examples |
| ---------------------- | ----- |
| Train | 340 K |
| Dev | 50 K |
- [Fine-tune on NER script provided by Huggingface](https://github.com/huggingface/transformers/blob/master/examples/token-classification/run_ner_old.py)
- **60** Labels covered:
```
AO, AQ, CC, CS, DA, DD, DE, DI, DN, DP, DT, Faa, Fat, Fc, Fd, Fe, Fg, Fh, Fia, Fit, Fp, Fpa, Fpt, Fs, Ft, Fx, Fz, I, NC, NP, P0, PD, PI, PN, PP, PR, PT, PX, RG, RN, SP, VAI, VAM, VAN, VAP, VAS, VMG, VMI, VMM, VMN, VMP, VMS, VSG, VSI, VSM, VSN, VSP, VSS, Y and Z
```
## Metrics on evaluation set:
| Metric | # score |
| :------------------------------------------------------------------------------------: | :-------: |
| F1 | **90.06**
| Precision | **89.46** |
| Recall | **90.67** |
## Model in action
Fast usage with **pipelines**:
```python
from transformers import pipeline
nlp_pos = pipeline(
"ner",
model="mrm8488/bert-spanish-cased-finetuned-pos",
tokenizer=(
'mrm8488/bert-spanish-cased-finetuned-pos',
{"use_fast": False}
))
text = 'Mis amigos están pensando en viajar a Londres este verano'
nlp_pos(text)
#Output:
'''
[{'entity': 'NC', 'score': 0.7792173624038696, 'word': '[CLS]'},
{'entity': 'DP', 'score': 0.9996283650398254, 'word': 'Mis'},
{'entity': 'NC', 'score': 0.9999253749847412, 'word': 'amigos'},
{'entity': 'VMI', 'score': 0.9998560547828674, 'word': 'están'},
{'entity': 'VMG', 'score': 0.9992249011993408, 'word': 'pensando'},
{'entity': 'SP', 'score': 0.9999602437019348, 'word': 'en'},
{'entity': 'VMN', 'score': 0.9998666048049927, 'word': 'viajar'},
{'entity': 'SP', 'score': 0.9999545216560364, 'word': 'a'},
{'entity': 'VMN', 'score': 0.8722310662269592, 'word': 'Londres'},
{'entity': 'DD', 'score': 0.9995203614234924, 'word': 'este'},
{'entity': 'NC', 'score': 0.9999248385429382, 'word': 'verano'},
{'entity': 'NC', 'score': 0.8802427649497986, 'word': '[SEP]'}]
'''
```
16 POS tags version also available [here](https://huggingface.co/mrm8488/bert-spanish-cased-finetuned-pos-16-tags)
> Created by [Manuel Romero/@mrm8488](https://twitter.com/mrm8488)
> Made with <span style="color: #e25555;">♥</span> in Spain
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