["task_categories:text-retrieval", "language:ja", "size_categories:100K<n<1M", "format:parquet", "modality:text", "library:datasets", "library:dask", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "query", "dtype": "string"}, {"name": "positives", "sequence": "string"}, {"name": "negatives", "sequence": "string"}, {"name": "bm25_negatives", "sequence": "string"}, {"name": "original_negatives", "sequence": "string"}]