nq_open/nq_open-train.parquet filter=lfs diff=lfs merge=lfs -text nq_open/train/index.duckdb filter=lfs diff=lfs merge=lfs -text nq_open/validation/index.duckdb filter=lfs diff=lfs merge=lfs -text nq_open/train/0000.parquet filter=lfs diff=lfs merge=lfs -text nq_open/validation/0000.parquet filter=lfs diff=lfs merge=lfs -text