task_categories:question-answering task_categories:text-retrieval task_ids:document-retrieval task_ids:closed-domain-qa task_ids:explanation-generation language:pt license:cc-by-nc-nd-4.0 size_categories:1K<n<10K format:parquet modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:1801.03460 region:us