task_categories:text-generation task_categories:question-answering language:ko license:cc-by-sa-4.0 size_categories:100K<n<1M format:parquet format:optimized-parquet modality:tabular modality:text library:datasets library:dask library:polars library:mlcroissant region:us korean wikipedia rag retrieval-augmented-generation csat nlp-competition