["task_categories:summarization", "source_datasets:xsum", "language:en", "license:apache-2.0", "size_categories:100K<n<1M", "format:parquet", "modality:tabular", "modality:text", "library:datasets", "library:dask", "library:mlcroissant", "library:polars", "doi:10.57967/hf/0390", "region:us", "stacked summaries", "xsum"]