source_datasets:open-r1/DAPO-Math-17k-Processed source_datasets:mandarjoshi/trivia_qa size_categories:10K<n<100K format:parquet format:optimized-parquet modality:tabular modality:text library:datasets library:dask library:polars library:mlcroissant region:us gnosis sft qwen3 triviaqa dapo-math correctness-detection dapo hallucination self-evaluation reward-model