This is a stratified sample of the full BESS-Bench v1.0 dataset
anonym-submit-26/bess-bench-26,
provided so that NeurIPS 2026 reviewers can quickly inspect data quality
without downloading the 9.5 GB full release.
Source. The full release loaded as a single train split
(339,115 spectra × 35 columns).
Star-level splits. The frozen star-grouped partition
(splits.csv, 1,024 train / 219 val / 225 test stars) is… See the full description on the dataset page:
https://huggingface.co/datasets/anonym-submit-26/bess-bench-26-sample.