task_categories:text-classification task_ids:multi-class-classification annotations_creators:crowdsourced annotations_creators:expert-generated language_creators:found source_datasets:DFKI-NLP/tacred language:ar language:de language:es language:fi language:fr language:hi language:hu language:ja language:pl language:ru language:tr language:zh license:other size_categories:100K<n<1M arxiv:2305.04582 region:us relation extraction