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[bioontology-support] [BioPortal] Feedback from Kellie Fay

John Graybeal jgraybeal at
Mon Feb 12 12:26:35 PST 2018

Hello Fay,

Can you please contact me offline to discuss the details of your use case?

BioPortal processes hundreds of thousands of API requests daily, most of them successfully and without outages (according to our independent API monitors). While it is a research system, we are proud of availability numbers typically over 99.5%.

We have often found that if a specific external query engine asks a large number of complex queries, or a whole lot of somewhat complex queries in a short period of time, that can cause the system to become non-responsive. In this context, I note that the Recommender queries are quite expensive in terms of their computational load on BioPortal.

If we can work with the originators to tune the request pattern, we usually see BioPortal return to 100% up time, and they are able to get the data that they need. Alternatively, if our system just can't support the requests, we can give you advice on other ways you could implement the same capability yourself.

Thanks for your request, and I look forward to working with you to address your needs.


On Feb 12, 2018, at 7:23 AM, support at<mailto:support at> wrote:

Name: Kellie Fay

Email: fay.kellie at<mailto:fay.kellie at>



This site provides a very useful service and we have developed an ontology mapping tool which makes use of the web services feature. Unfortunately, this site is down or crashes too frequently to be very useful in this capacity. In most cases, the query is terminated because BioPortal goes offline. Is there a plan to fix this issue?

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

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