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[bioontology-support] [BioPortal] Feedback from Ray Lee

John Graybeal jgraybeal at
Thu Mar 4 13:12:45 PST 2021

Hello Ray,

I am sorry, but with the most recent version of MedDRA published through UMLS, our software has been unable to successfully traverse the hierarchy of the terms to arrive at the root terms. We have been unable to determine whether this is a software issue on our end, or a problem in the UMLS distribution, and so we were forced to remove the navigation tree from our system.

You can view and comment on the support ticket we are maintaining on this topic at; we appreciate receiving any observations from the community in this ticket.


On Feb 15, 2021, at 10:46 AM, support at<mailto:support at> wrote:

Name: Ray Lee

Email: yungclee at<mailto:yungclee at>



Hello, My name is Ray and I am an user of the Bioportal DB, our team is planning an project of publishing the visualization of how MedDra terms in different level are linked using visualization software/ codes for academia purpose. Was wondering if there will be a licensing or legal problem? I tried the link in the Support > documentation but those did not work at the time I tried to access it.

Thank you,

bioontology-support mailing list
bioontology-support at<mailto:bioontology-support at>

John Graybeal
Technical Program Manager
Center for Expanded Data Annotation and Retrieval /+/ NCBO BioPortal
Stanford Center for Biomedical Informatics Research
650-736-1632  | ORCID  0000-0001-6875-5360

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