task_categories:token-classification task_categories:text-classification task_ids:named-entity-recognition language:en size_categories:1M<n<10M format:json modality:text library:datasets library:pandas library:polars library:mlcroissant arxiv:2502.15411 doi:10.57967/hf/4619 region:us financial NLP named entity recognition sequence labeling structured extraction hierarchical taxonomy XBRL