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[bioontology-support] Local Copy of Medra & RXNorm For Semantic Project

John Graybeal jgraybeal at
Wed Jan 3 11:12:09 PST 2018


Thank you for your interest.

First, two important notes:
  (A) We have not yet imported the 2017 releases of the UMLS ontologies, We hope to do so in January.
  (B) Ontology license information is provided at the summary page for the ontology, and these license terms must be followed. (I note particularly the requirement that use of MEDDRA for commercial purposes requires a license fee, in case that applies.)

That covered, the RXNORM ontology is available as a file download from the summary page, under the Submissions section (as RDF/TTL).

We will contact you offline about MEDDRA availability once we are back in the office next Monday. In the meantime, you may wish to explore the MEDDRA site, and the UMLS registration process, if you have not done so already—there has been quite a bit of development in recent years, and there may even be a more straightforward access mechanism that we have not integrated into BioPortal. (If so, please let us know.) In any case, from past experience I expect UMLS registration would be a part of the licensing terms to be able to access and use MEDDRA.


On Jan 2, 2018, at 11:38 AM, Hiamang, Tokunbo (US - New York) <thiamang at<mailto:thiamang at>> wrote:

Hello BioPortal Team –

Hope all is well. We are trying to build an internal semantic application to do graph based inferencing. I have an API Key to access the NCBO API REST services, but I need a local copy of these files (MEDRA & RXNORM) for our application to work optimally. Without a local copy, we will have to make hundreds or more API calls.

Would it be possible to please let me know what it would take to get a local copy of these files? If needed, I can set up a quick call between you and me to discuss.

Thank you,

Tokunbo M. Hiamang
Senior Consultant | Analytics + Information Management
Deloitte Consulting LLP
NEW YORK, NY 10112-0015
United States
Tel: +1 212-436-2948 Mobile: +1 732-272-2363
thiamang at<mailto:thiamang at> |<>

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John Graybeal
Technical Program Manager
Center for Expanded Data Annotation and Retrieval /+/ NCBO BioPortal
Stanford Center for Biomedical Informatics Research

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