task_categories:other task_categories:question-answering task_ids:abstractive-qa task_ids:extractive-qa annotations_creators:crowdsourced annotations_creators:expert-generated language_creators:crowdsourced language_creators:expert-generated multilinguality:monolingual source_datasets:extended|natural_questions source_datasets:extended|other-Common-Crawl source_datasets:original language:en license:unknown size_categories:10K<n<100K format:parquet modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2010.12694 region:us query-based-multi-document-summarization