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Data sources and attribution

This platform uses a curated set of openly available scientific taxonomies, ontologies, and controlled vocabularies to support semantic tagging, discovery, and analysis of scientific content. All intellectual property rights remain with the respective data providers. The data are used in accordance with their published licenses.

This platform is an independent work and is not affiliated with, endorsed by, or sponsored by any of the organizations listed below.

Physics Subject Headings (PhySH)

• Source: American Physical Society (APS)
• License: Creative Commons CC-0 1.0 license.
• More information: PhySH.org

Unified Astronomy Thesaurus (UAT)

• Source: astrothesaurus.org
• License: Creative Commons Attribution-ShareAlike 3.0 Unported License.

Semantic Web for Earth and Environmental Terminology (SWEET)

• Source: https://github.com/ESIPFed/sweet
• License: Creative Commons 1.0 Universal

USGS Thesaurus

• Source: U.S. Department of the Interior
• License: Public Domain (U.S. Government Work)
• More information: https://apps.usgs.gov/thesaurus/

Medical Subject Headings (MeSH)

• Source: U.S. National Library of Medicine (NLM)
• License: Public Domain
• More information: https://www.nlm.nih.gov/mesh/

Unified Medical Language System (UMLS)

• Source: U.S. National Library of Medicine (NLM)
• License: Used under license
• More information: https://www.nlm.nih.gov/research/umls/

Integrated Taxonomic Information System (ITIS)

• Source: https://www.itis.gov/
• License: Public Domain

Data Usage and Modifications

The original vocabularies have been selectively filtered, normalized, and enriched for the purposes of semantic indexing. These modifications do not imply endorsement by the original data providers.

Attribution

If you believe that any attribution is missing or incorrect, please contact us so we can address the issue promptly.

Questions?

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