task_categories:text-classification task_ids:sentiment-classification annotations_creators:crowdsourced language_creators:found multilinguality:monolingual source_datasets:extended|other-MPQA-KBP Challenge-MediaRank language:en license:unknown size_categories:1K<n<10K format:parquet modality:text library:datasets library:pandas library:mlcroissant library:polars arxiv:2011.06128 region:us