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README.md
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---
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license:
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---
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## Projecte Aina’s Catalan-French
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## Table of Contents
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- [Model Description](#model-description)
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- [Intended Uses and Limitations](#intended-use)
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- [How to Use](#how-to-use)
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- [Training](#training)
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- [Training data](#training-data)
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- [Training procedure](#training-procedure)
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- [Data Preparation](#data-preparation)
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- [Tokenization](#tokenization)
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- [Hyperparameters](#hyperparameters)
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- [Evaluation](#evaluation)
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- [Variable and Metrics](#variable-and-metrics)
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- [Evaluation Results](#evaluation-results)
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- [Additional Information](#additional-information)
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- [Author](#author)
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- [Contact Information](#contact-information)
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- [Copyright](#copyright)
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- [Licensing Information](#licensing-information)
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- [Funding](#funding)
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- [Disclaimer](#disclaimer)
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## Model description
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This model was trained from scratch using the [Fairseq toolkit](https://fairseq.readthedocs.io/en/latest/) on a combination of Catalan-French datasets,
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## Intended uses and limitations
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import ctranslate2
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import pyonmttok
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from huggingface_hub import snapshot_download
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model_dir = snapshot_download(repo_id="projecte-aina/
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tokenizer=pyonmttok.Tokenizer(mode="none", sp_model_path = model_dir + "/spm.model")
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tokenized=tokenizer.tokenize("Benvingut al projecte Aina!!")
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print(tokenizer.detokenize(translated[0][0]['tokens']))
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```
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## Training
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### Training data
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### Data preparation
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All datasets are deduplicated and filtered to remove any sentence pairs with a cosine similarity of less than 0.75.
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#### Tokenization
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All data is tokenized using sentencepiece, with 50 thousand token sentencepiece model learned from the combination of all filtered training data.
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#### Hyperparameters
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| Dropout | 0.1 |
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| Label smoothing | 0.1 |
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The model was trained using shards of 10 million sentences, for a total of 11.000 updates.
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## Evaluation
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### Evaluation results
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Below are the evaluation results on the machine translation from Catalan to French compared to [Softcatalà](https://www.softcatala.org/)
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| Test set | SoftCatalà | Google Translate |
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|----------------------|------------|------------------|---------------|
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| Flores 101 dev | 34,6 | **43,4** | 38,2 |
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| Flores 101 devtest | 35,3 | **43,4** | 38,2 |
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### Author
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Language Technologies Unit (LangTech) at the Barcelona Supercomputing Center
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### Contact
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For further information, send an email to <langtech@bsc.es>
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### Copyright
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Copyright Language Technologies Unit at Barcelona Supercomputing Center (2023)
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###
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This work is licensed under a [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)
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### Funding
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This work has been promoted and financed by the Generalitat de Catalunya through the [Aina project]
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## Limitations and Bias
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At the time of submission, no measures have been taken to estimate the bias and toxicity embedded in the model. However, we are aware that our models may be biased since the corpora have been collected using crawling techniques on multiple web sources. We intend to conduct research in these areas in the future, and if completed, this model card will be updated.
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### Disclaimer
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license: apache-2.0
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datasets:
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- projecte-aina/CA-FR_Parallel_Corpus
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language:
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- ca
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- fr
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metrics:
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- bleu
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library_name: fairseq
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---
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## Projecte Aina’s Catalan-French machine translation model
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## Model description
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This model was trained from scratch using the [Fairseq toolkit](https://fairseq.readthedocs.io/en/latest/) on a combination of Catalan-French datasets,
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which after filtering and cleaning comprised 18.634.844 sentence pairs. The model is evaluated on the Flores and NTREX evaluation sets.
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## Intended uses and limitations
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import ctranslate2
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import pyonmttok
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from huggingface_hub import snapshot_download
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model_dir = snapshot_download(repo_id="projecte-aina/aina-translator-ca-fr", revision="main")
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tokenizer=pyonmttok.Tokenizer(mode="none", sp_model_path = model_dir + "/spm.model")
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tokenized=tokenizer.tokenize("Benvingut al projecte Aina!!")
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print(tokenizer.detokenize(translated[0][0]['tokens']))
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```
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## Limitations and bias
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At the time of submission, no measures have been taken to estimate the bias and toxicity embedded in the model.
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However, we are well aware that our models may be biased. We intend to conduct research in these areas in the future, and if completed, this model card will be updated.
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## Training
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### Training data
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### Data preparation
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All datasets are deduplicated and filtered to remove any sentence pairs with a cosine similarity of less than 0.75.
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This is done using sentence embeddings calculated using LaBSE. The filtered datasets are then concatenated to form the final corpus
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and before training the punctuation is normalized using a modified version of the join-single-file.py script from SoftCatalà
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#### Tokenization
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All data is tokenized using sentencepiece, with 50 thousand token sentencepiece model learned from the combination of all filtered training data.
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This model is included.
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#### Hyperparameters
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| Dropout | 0.1 |
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| Label smoothing | 0.1 |
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The model was trained using shards of 10 million sentences, for a total of 11.000 updates.
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Weights were saved every 1000 updates and reported results are the average of the last 4 checkpoints.
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## Evaluation
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### Evaluation results
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Below are the evaluation results on the machine translation from Catalan to French compared to [Softcatalà](https://www.softcatala.org/)
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and [Google Translate](https://translate.google.es/?hl=es):
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| Test set | SoftCatalà | Google Translate | aina-translator-ca-fr |
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|----------------------|------------|------------------|---------------|
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| Flores 101 dev | 34,6 | **43,4** | 38,2 |
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| Flores 101 devtest | 35,3 | **43,4** | 38,2 |
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### Author
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Language Technologies Unit (LangTech) at the Barcelona Supercomputing Center
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### Contact
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For further information, send an email to <langtech@bsc.es>
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### Copyright
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Copyright Language Technologies Unit at Barcelona Supercomputing Center (2023)
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### License
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This work is licensed under a [Apache License, Version 2.0](https://www.apache.org/licenses/LICENSE-2.0)
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### Funding
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This work has been promoted and financed by the Generalitat de Catalunya through the [Aina project](https://projecteaina.cat/).
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### Disclaimer
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