task_categories:text-classification task_categories:token-classification task_categories:table-question-answering task_categories:question-answering language:en license:cc-by-sa-3.0 license:gfdl size_categories:1K<n<10K format:parquet modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2409.12941 region:us rag long-context llm-search reasoning factuality retrieval question-answering iterative-search