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[bioontology-support] [BioPortal] Ontology metrics - Feedback from Simon K

Simon Kocbek simon.kocbek at
Wed Nov 4 21:43:52 PST 2015

Hi Ray,

thank you for your reply. I need information at different time points
for many ontologies, so I am trying to solve the problem through
BioPortal's RESTful API. However, I am having some troubles.

For example, to get information about the first and the last (i.e.,
11th) SNOMEDCT submission I call:
   - first submission:
   - last submission:

but I always get the same result:
"id": "",
"created": "2015-08-13T13:37:23-07:00",

Calls for other ontologies act the same way.

Bug or am I doing something wrong?


On 17 October 2015 at 05:05, Ray Fergerson <rayferg at> wrote:
> You can download the source files from us for many ontologies. Depending on
> how the ontology is set up, there may be a lot of older files. You will need
> to parse these yourself, presumably using the OWL API. What we have is all
> available on our site.
> Ray
> From: bioontology-support
> [mailto:bioontology-support-bounces at] On Behalf Of
> support at
> Sent: Thursday, October 15, 2015 9:33 PM
> To: support at; simon.kocbek at
> Subject: [bioontology-support] [BioPortal] Feedback from Simon K
> Name: Simon K
> Email: simon.kocbek at
> Location:
> Feedback:
> Hi,
> Is there a way to get historical data for ontologies? Specifically, I am
> interested in ontology sizes (i.e., number of concepts) on specific date.
> Thanks!

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