Create README.md
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README.md
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---
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language:
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- eo
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- en
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- es
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- ca
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tags:
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- translation
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- machine-translation
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- marian
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- opus-mt
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- multilingual
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license: cc-by-4.0
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pipeline_tag: translation
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metrics:
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- bleu
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- chrf
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---
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# Catalan, English, Spanish -> Esperanto MT Model
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## Model description
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This repository contains a **multilingual MarianMT** model for **(English, Spanish, Catalan) → Esperanto** translation.
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## Usage
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The model is loaded and used with `transformers` as:
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```python
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from transformers import MarianMTModel, MarianTokenizer
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import torch
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model_name = "Helsinki-NLP/opus-mt-caenes-eo"
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device = "cuda" if torch.cuda.is_available() else "cpu"
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model = MarianMTModel.from_pretrained(model_name).to(device)
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tokenizer = MarianTokenizer.from_pretrained(model_name)
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source_texts = [
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"Buenos días, qué tal?",
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"Bon dia, com estàs?",
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"Good morning, how are you?"
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]
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inputs = tokenizer(source_texts, return_tensors="pt", padding=True, truncation=True)
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inputs = {k: v.to(device) for k, v in inputs.items()}
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translated_ids = model.generate(inputs["input_ids"])
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translated_texts = tokenizer.batch_decode(translated_ids, skip_special_tokens=True)
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for src, tgt in zip(source_texts, translated_texts):
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print(f"Source: {src} => Translated: {tgt}")
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````
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## Training data
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The model was trained using **Tatoeba** parallel data, with **FLORES-200** used as the development set.
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Training sentence-pair counts:
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* **ca-eo**: 672,931
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* **es-eo**: 4,677,945
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* **eo-en**: 5,000,000
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## Evaluation on FLORES
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| Language Pair | BLEU | ChrF++ |
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| ------------- | ----: | ----: |
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| spa-epo | 16.25 | 49.10 |
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| cat-epo | 21.43 | 51.37 |
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| eng-epo | 26.42 | 58.23 |
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