task_categories:question-answering language:en language:zh license:apache-2.0 size_categories:1K<n<10K format:parquet format:optimized-parquet modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2311.12983 arxiv:2501.07572 arxiv:2506.01062 region:us web-search question-answering benchmark evaluation