Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

This is a preview of updates coming to the Technical Bulletin's website in April 2026. Return to current site.
Read more about the modernization release schedule in this announcement.
Comment via the yellow feedback button in the lower right hand corner of the page. Contact the NLM Help Desk with any questions or concerns.

This is archived content.

Links may have become inactive over time. Visit Archive-It   to find the original published layout.

NLM Releases Production MeSH RDF

Bushman B. NLM Releases Production MeSH RDF. NLM Tech Bull. 2017 Sep-Oct;(418):e4.

September 13, 2017 [posted]

The National Library of Medicine (NLM) is pleased to announce the move of MeSH (Medical Subject Headings) RDF from a beta version to production around September 8, 2017. The initial beta release of MeSH RDF was published in November 2014 for selected institutions and organizations. Subsequent releases of the beta version occurred in June 2015, November 2015, and November 2016.

Release notes are available at http://hhs.github.io/meshrdf/release-notes.html.

Users who download mesh.nt from the FTP server should change their download path:

From

To

The old files will remain present for some time, but will no longer be updated nightly.

For an example of utilizing MeSH RDF, see Adding MeSH URIs to NLM Catalog Records.

Availability of MeSH RDF

How do I learn more?
To learn more about MeSH RDF, see our information page Medical Subject Headings (MeSH) RDF Linked Data (beta).

Feedback
Have questions or want to provide feedback? We would love to hear from you. Join us on GitHub at https://github.com/HHS/meshrdf/issues/.