# Dataset Summary
This repository provides the mMARCO dataset.
This dataset was created by translating the MS MARCO Passage Ranking dataset into 8 different languages.

# Dataset Structure
You can load mMARCO dataset by choosing a specific language.
For each language, there are four splits: the first one, called collection, which contains all the dataset passages, followed by three queries splits, regarding to the training, development and evaluation sets.

# Load Dataset
An example to load the dataset:
```
dataset = load_dataset('unicamp-dl/mmarco', language='portuguese')
```


# Citation Information
```
@misc{bonifacio2021mmarco,
      title={mMARCO: A Multilingual Version of the MS MARCO Passage Ranking Dataset}, 
      author={Luiz Henrique Bonifacio and Israel Campiotti and Vitor Jeronymo and Roberto Lotufo and Rodrigo Nogueira},
      year={2021},
      eprint={2108.13897},
      archivePrefix={arXiv},
      primaryClass={cs.CL}
}
```