task_categories:text-retrieval task_ids:document-retrieval annotations_creators:found language_creators:found multilinguality:monolingual source_datasets:original language:en license:cc-by-nc-sa-4.0 size_categories:10K<n<100K format:parquet modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2101.10726 region:us document-to-document-retrieval