CroissantMiner: Automated Extraction and Validation of Croissant Metadata for ML Datasets
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Computer Science > Computation and Language
arXiv:2610.07132 (cs)
[Submitted on 5 Oct 2026]
Title:CroissantMiner: Automated Extraction and Validation of Croissant Metadata for ML Datasets
Authors:Berke Arda, Ahmetcan Yavuz, Paul Gerry, Sebastian Lobentanzer, Nobin Sarwar, Joan Giner-Miguelez, Kongtao Chen, Luyao Zhang, Mrinmaya Sachan, Mubashara Akhtar
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Abstract:Croissant has emerged as a standard for machine-readable dataset metadata, yet populating its fields remains labor-intensive and requires careful reading of accompanying dataset documentation. We present the first benchmark enabling end-to-end evaluation of metadata extraction aligned with a community-standard schema. The benchmark comprises 602 papers, including 102 with human-validated gold annotations and 500 with LLM-generated silver annotations, covering the full Croissant schema with both core and Responsible AI (RAI) fields. Using this benchmark, we evaluate a range of extraction systems spanning frontier models, open-weight models, and agentic architectures, under a two-tier evaluation framework that combines rule-based scoring with an LLM judge selected via human audit. We find that single-pass extraction consistently outperforms the four agentic architectures we evaluate: across backbones, these decomposed variants achieve lower accuracy than a single full-context pass. The largest gap appears on long-form RAI fields, which require synthesizing and interpreting information scattered across a paper rather than copying it from a single location, a setting where current systems remain far from reliable. We release the benchmark, evaluation code, judge audit, a live demo, and a leaderboard open to new systems.
| Comments: | Accepted at NeurIPS 2026 (Track on Evaluations and Datasets). Website: this https URL |
| Subjects: | Computation and Language (cs.CL); Artificial Intelligence (cs.AI); Information Retrieval (cs.IR); Machine Learning (cs.LG) |
| Cite as: | arXiv:2610.07132 [cs.CL] |
| (or arXiv:2610.07132v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2610.07132
arXiv-issued DOI via DataCite (pending registration)
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View a PDF of the paper titled CroissantMiner: Automated Extraction and Validation of Croissant Metadata for ML Datasets, by Berke Arda and 9 other authors
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