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[bioontology-support] Issue Uploading Ontology Locally

John Graybeal jgraybeal at
Thu Mar 4 13:08:27 PST 2021

Hello Olamide,

If you are still having an issue with this, can you please send a screenshot showing what you are entering just before clicking on the submission button?

I assume that you are entering a location for the ontology that is inside or accessible to the Virtual Appliance environment, since in most cases the Virtual Appliance will not be able to see the ontology in your host machine's file system.

Also, since this is a very big ontology, you may be running into memory limits on your appliance. Please see for information about likely memory needs.

As for uploading via URI, the above issues could also apply (in particular, networking issues from the Virtual Appliance are addressed at In addition, I am not sure where the URI would live that has a parseable SNOMEDCT file available for download, so I would be curious if that is a public URI or just one in your own environment.


On Feb 18, 2021, at 5:42 AM, olamide adebayo <olamide at<mailto:olamide at>> wrote:

Good day,

I hope this meets you well. I am trying to upload the SNOMED CT ontology(by file upload) to my local Virtual Appliance but I keep getting a select location validation error despite literally selecting a location as per form requirements. Even when I tried uploading via URl, the system always hang and it never gets uploaded. Kindly assist.

Secondly, does your system support the Expression Constraint Language(ECL) in SNOMED CT??

Kind Regards,

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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