Normalization Map for Licenses in Bibliographic Metadata

Normalization Map for Licenses in Bibliographic Metadata | Zenodo Skip to main Communities My dashboard Log in Sign up Zenodo is currently experiencing slowness and intermittent outages due to heavy automated traffic from bots and AI crawlers. We are aware of the problem, and our team is focused on stabilizing the service. Thank you for your patience. OpenAIRE Graph Published April 29, 2026 | Version v1 Dataset Open Normalization Map for Licenses in Bibliographic Metadata Authors/Creators De Bonis, Michele 1 Show affiliations 1.

Consiglio Nazionale delle Ricerche - Istituto di Scienza e Tecnologie dell'Informazione "A.Faedo" - CNR-ISTI Description A dataset designed to support the cleaning, normalization, and classification of license value extracted from bibliographic metadata. Each entry in the dataset represents a raw license expression paired with a normalized and standardized representation. In addition, the dataset includes validation signals and metadata fields such as classification labels (e.g., standardized license identifiers), confidence levels, source type (e.g., text or URL), and reasoning used during the normalization process. The dataset is structured to capture real-world variability in license data, including malformed URLs, duplicated references, embedded legal text, and ambiguous or missing licensing information. By mapping noisy inputs to canonical forms (i.e., the SPDX standard), the dataset enables more reliable downstream processing and interoperability across systems. LicenseNorm is provided in a structured, machine-readable format (e.g., JSON) and is intended as an open resource for researchers and practitioners working on natural language processing, data integration, and metadata standardization. Files Files (20.3 MB) Name Size Download all Normalization Map for Licenses in Bibliographic Metadata.jsonl md5:cb6f53e169ae3e299fc3e16d17be6b07 20.3 MB Download Additional details Funding European Commission EVERSE - European Virtual Institute for Research Software Excellence 101129744 59 Views 22 Downloads Show more details All versions This version Views Total views 59 59 Downloads Total downloads 22 22 Data volume Total data volume 465.9 MB 465.9 MB More info on how stats are collected.... Versions External resources Indexed in OpenAIRE Communities Details DOI DOI Badge DOI 10.5281/zenodo.19883268 Markdown [](https://doi.org/10.5281/zenodo.19883268) reStructuredText .. image:: https://zenodo.org/badge/DOI/10.5281/zenodo.19883268.svg :target: https://doi.org/10.5281/zenodo.19883268 HTML <a href="https://doi.org/10.5281/zenodo.19883268"><img src="https://zenodo.org/badge/DOI/10.5281/zenodo.19883268.svg" alt="DOI"></a> Image URL https://zenodo.org/badge/DOI/10.5281/zenodo.19883268.svg Target URL https://doi.org/10.5281/zenodo.19883268 Resource type Dataset Publisher Zenodo Rights License Creative Commons Zero v1.0 Universal CC0 waives copyright interest in a work you've created and dedicates it to the world-wide public domain. Use CC0 to opt out of copyright entirely and ensure your work has the widest reach. Read more Citation Export Technical metadata Created May 6, 2026 Modified May 6, 2026 Jump up About About Policies Infrastructure Principles Projects Roadmap Contact Blog Blog Support Help FAQ Developers REST API OAI-PMH Contribute GitHub Donate Funded by Powered by CERN Data Centre & InvenioRDM Status Privacy policy Cookie policy Terms of Use This site uses cookies. Find out more on how we use cookies Accept all cookies Accept only essential cookies

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