task_categories:text-retrieval task_ids:open-domain-qa annotations_creators:expert-generated language_creators:found multilinguality:monolingual source_datasets:original PubMedQA dataset language:en license:mit size_categories:100K<n<1M format:csv modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2505.18247 region:us medical biology