task_categories:text-classification task_categories:sentence-similarity language:en license:apache-2.0 size_categories:1M<n<10M format:parquet format:optimized-parquet modality:text library:datasets library:dask library:polars library:mlcroissant arxiv:2504.02268 region:us english sentence-similarity sentence-pair-classification paraphrase-detection synthetic-data llm-generated semantic-caching