task_categories:text-retrieval task_ids:document-retrieval annotations_creators:no-annotation multilinguality:multilingual source_datasets:extended|c4 language:ar language:en language:ru language:zh license:apache-2.0 size_categories:1M<n<10M format:json modality:text library:datasets library:pandas library:mlcroissant library:polars region:us multilingual RAG News