blab-jhu/

KYS-Claude-Haiku-50K-Labeled

The LLM-annotated corpus used to distil the ModernBERT quality scorer in Know Your Sources: Data Selection Matters when Rewriting for Data-Constrained Pretraining. 50,427 documents, each scored by Claude Haiku 4.5 on a five-criterion rubric.

The repo name rounds to 50K. The true row count is 50,427.

	Composition




	

Source Documents

DCLM-RefinedWeb (mix = "dclm-rw") 49,998

OpenWebMath (mix = "openwebmath") 218… See the full description on the dataset page: https://huggingface.co/datasets/blab-jhu/KYS-Claude-Haiku-50K-Labeled.