Hi, yes there are a lot of details and use cases that are not documented,
but there are quite a few bits of information if you take the time.

To give some quick "answers" to your questions...  (I put that in quotes
because these are interpretations and not legal opinions)

You do not need a UMLS license if you don't include the UMLS lookup
mechanism.    In this case only the Apache license probably applies

But if you do use UMLS, start by reading

There are options for situations where you would centralize a ctakes
service.  Some of the provisions have to do with the fact that
that SNOMED vocabulary details are included in the UMLS output, and the
SNOMED organizations have specific licensing requirements that you can see
on their site.

I am nearly positive that you cannot use the UMLS mechanism in a for-profit
setting without an explicit license from SNOMED.  Also, regardless of
whether the service as you deliver it is centralized, as I understand the
language and diagrams on these sites, each and every end user needs to
have, and actively validate a current UMLS license.

I've been involved in something similar to what you describe, but in a
non-commercial setting, and it does validate every end user.


On Sat, Aug 11, 2018 at 7:45 AM Abhishek De <abhishekde1...@gmail.com>

> Hi all,
> I am Abhishek De, a newcomer to the CTAKES community. I had worked with
> CTAKES over 4 years ago, but now I am trying to incorporate it into my Java
> application as a senior developer, so I need to know a lot of things about
> it. For starters, I can see that even the pipeline without UMLS needs UMLS
> credentials in order to run. So I have the following questions:
> 1. Is there a certain fee which is required in order to apply for a UMLS
> license?
> 2. My organization is building this pharmacovigilance app which will
> internally use CTAKES for its client. Is it okay for only my parent
> organization to have the UMLS license or do the client needs to have it
> too? If I expose the application as a service, with the servers residing in
> our organization's premises, would the client still need to have a licnse?
> 3. As there is precious little documentation on CTAKES, and many links
> there are now dead including the ones giving instructions on how to install
> dictionaries for RxNorm or SNOMED-CT, could anyone please help me in this
> regard?
> 4. Also, I would like to know if there are any small dictionaries which
> could be used free of charge or licensing, for my PoC.
> Thanks and Regards,
> Abhishek De

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