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"""MIRACL reranking dataset for multiple languages""" |
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import json |
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from typing import List, Dict |
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import datasets |
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from datasets import DatasetInfo |
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_DESCRIPTION = """ |
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MIRACL (Multilingual Information Retrieval Across a Continuum of Languages) is a multilingual |
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retrieval dataset that focuses on search across 18 different languages. |
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""" |
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_HOMEPAGE_URL = 'https://project-miracl.github.io/' |
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_LANGUAGES = ['es', 'de'] |
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_VERSION = '1.0.0' |
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_URL = 'https://huggingface.co/datasets/jinaai/miracl/resolve/main/' |
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_URLS = { |
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lang: _URL + f"{lang}-test.jsonl.gz" for lang in _LANGUAGES |
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} |
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class MIRACL(datasets.GeneratorBasedBuilder): |
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def _info(self) -> DatasetInfo: |
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features = datasets.Features( |
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query=datasets.Value("string"), |
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positive=datasets.Sequence(datasets.Value("string")), |
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negative=datasets.Sequence(datasets.Value("string")), |
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) |
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return datasets.DatasetInfo( |
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features=features, |
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) |
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BUILDER_CONFIGS = [datasets.BuilderConfig( |
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version=datasets.Version('1.0.0'), |
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name=lang, description=f'MIRACL dataset in language {lang}.' |
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) for lang in _LANGUAGES |
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] |
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def _split_generators(self, dl_manager: datasets.DownloadManager) -> List[datasets.SplitGenerator]: |
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selected_lang = self.config.name |
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if selected_lang not in _URLS: |
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raise ValueError(f"Requested language '{selected_lang}' not found in the dataset.") |
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file_path = dl_manager.download_and_extract(_URLS[selected_lang]) |
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return [datasets.SplitGenerator(name=datasets.Split.TEST, gen_kwargs={"filepath": file_path})] |
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def _generate_examples(self, filepath: str) -> Dict[str, str]: |
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with open(filepath, encoding="utf-8") as f: |
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for i, line in enumerate(f): |
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json_line = json.loads(line) |
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example = { |
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"query": json_line["query"], |
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"positive": json_line["positive"], |
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"negative": json_line["negative"], |
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} |
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yield str(i), example |
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