task_categories:text-classification task_categories:summarization task_categories:question-answering language:en language:de license:cc-by-nc-4.0 size_categories:10K<n<100K format:csv modality:text library:datasets library:dask library:mlcroissant library:polars doi:10.57967/hf/6184 region:us ticketsystem helpdesk customer support ticket routing