Open datasets · Research & Machine Learning Data
Mendeley Data
Open-access repository for research datasets, often linked to scientific publications. Free access. Published by Elsevier and catalogued under Research & Machine Learning Data, available as dataset-specific. Free to access at the source.
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Zenodo
Research repository where researchers and organizations publish datasets, software and supplementary materials with persistent identifiers and record-level licences.
Harvard Dataverse
Research-data repository supporting publication, preservation, citation and download of datasets across disciplines.
UCI Machine Learning Repository
University-maintained collection of datasets for machine learning, data mining, teaching and benchmark experimentation.
OpenML
Open platform for publishing and discovering machine-learning datasets, tasks, experiments and benchmark results.