| # Dataset Summary | |
| **mMARCO** is a multilingual version of the [MS MARCO passage ranking dataset](https://microsoft.github.io/msmarco/). | |
| For more information, checkout our papers: | |
| * [**mMARCO: A Multilingual Version of the MS MARCO Passage Ranking Dataset**](https://arxiv.org/abs/2108.13897) | |
| * [**A cost-benefit analysis of cross-lingual transfer methods**](https://arxiv.org/abs/2105.06813) | |
| The first (deprecated) version comprises 8 languages: Chinese, French, German, Indonesian, Italian, Portuguese, Russian and Spanish. The current version included translations for Japanese, Dutch, Vietnamese, Hindi and Arabic. The current version is composed of 14 languages (including the original English version). | |
| ### Supported languages | |
| | Language name | Language code | | |
| |---------------|---------------| | |
| | English | english | | |
| | Chinese | chinese | | |
| | French | french | | |
| | German | german | | |
| | Indonesian | indonesian | | |
| | Italian | italian | | |
| | Portuguese | portuguese | | |
| | Russian | russian | | |
| | Spanish | spanish | | |
| | Arabic | arabic | | |
| | Dutch | dutch | | |
| | Hindi | hindi | | |
| | Japanese | japanese | | |
| | Vietnamese | vietnamese | | |
| # Dataset Structure | |
| You can load mMARCO dataset by choosing a specific language. We include training triples (query, positive and negative example), the translated collections of documents and queries. | |
| #### Training triples | |
| ```python | |
| >>> dataset = load_dataset('unicamp-dl/mmarco', 'english') | |
| >>> dataset['train'][1] | |
| {'query': 'what fruit is native to australia', 'positive': 'Passiflora herbertiana. A rare passion fruit native to Australia. Fruits are green-skinned, white fleshed, with an unknown edible rating. Some sources list the fruit as edible, sweet and tasty, while others list the fruits as being bitter and inedible.assiflora herbertiana. A rare passion fruit native to Australia. Fruits are green-skinned, white fleshed, with an unknown edible rating. Some sources list the fruit as edible, sweet and tasty, while others list the fruits as being bitter and inedible.', 'negative': 'The kola nut is the fruit of the kola tree, a genus (Cola) of trees that are native to the tropical rainforests of Africa.'} | |
| ``` | |
| #### Queries | |
| ```python | |
| >>> dataset = load_dataset('unicamp-dl/mmarco', 'queries-spanish') | |
| >>> dataset['train'][1] | |
| {'id': 634306, 'text': '¿Qué significa Chattel en el historial de crédito'} | |
| ``` | |
| #### Collection | |
| ```python | |
| >>> dataset = load_dataset('unicamp-dl/mmarco', 'collection-portuguese') | |
| >>> dataset['collection'][100] | |
| {'id': 100, 'text': 'Antonín Dvorák (1841-1904) Antonin Dvorak era filho de açougueiro, mas ele não seguiu o negócio de seu pai. Enquanto ajudava seu pai a meio tempo, estudou música e se formou na Escola de Órgãos de Praga em 1859.'} | |
| ``` | |
| ### Licensing Information | |
| This dataset is released under [Apache license 2.0](https://www.apache.org/licenses/). | |
| # Citation Information | |
| ``` | |
| @article{DBLP:journals/corr/abs-2108-13897, | |
| author = {Luiz Bonifacio and | |
| Israel Campiotti and | |
| Roberto de Alencar Lotufo and | |
| Rodrigo Frassetto Nogueira}, | |
| title = {mMARCO: {A} Multilingual Version of {MS} {MARCO} Passage Ranking Dataset}, | |
| journal = {CoRR}, | |
| volume = {abs/2108.13897}, | |
| year = {2021}, | |
| url = {https://arxiv.org/abs/2108.13897}, | |
| eprinttype = {arXiv}, | |
| eprint = {2108.13897}, | |
| timestamp = {Mon, 20 Mar 2023 15:35:34 +0100}, | |
| biburl = {https://dblp.org/rec/journals/corr/abs-2108-13897.bib}, | |
| bibsource = {dblp computer science bibliography, https://dblp.org} | |
| } | |
| ``` | |