Hi Ian, not to be troublesome, but wouldn't it be better, for interoperability, to use the name IHTSDO uses.

I think Pablo has a point here.

Bert


Op 25-4-2017 om 08:20 schreef Ian McNicoll:
Hi Bert,

The official name that SNOMED/IHTSDO use is 'SNOMED CT'.

The technical terminology descriptor that we use inside terminology_id is 'SNOMED-CT'

Ian
On Tue, 25 Apr 2017 at 08:03, Bert Verhees <[email protected] <mailto:[email protected]>> wrote:

    I thought so too, I even asked someone at ihtsdo but when you read
    the license coming with the SNOMED-CT browser, it made me doubt.
    Take a look at it yourself, I believe it is point 4 ( I am on my
    mobile right now and it is inconvenient to look now)

    Bert

    Op di 25 apr. 2017 06:59 schreef Pablo Pazos
    <[email protected] <mailto:[email protected]>>:

        In terms of license, I don't think using archetypes that
        reference snomed is a problem. The thing is when you want to
        support snomed in your system, having or not archetypes
        doesn't makes the difference IMO.

        On Tue, Apr 25, 2017 at 1:39 AM, Bert Verhees
        <[email protected] <mailto:[email protected]>> wrote:

            But I think that it is not allowed to use SNOMED-CT in
            bindings when you're not explicitly permitted to do so.

            Bert


            Op di 25 apr. 2017 06:34 schreef Bert Verhees
            <[email protected] <mailto:[email protected]>>:

                I agree completely with you, Pablo

                Best regards
                Bert


                Op di 25 apr. 2017 06:24 schreef Pablo Pazos
                <[email protected]
                <mailto:[email protected]>>:

                    Hi Bert,

                    Maybe my wording is the issue here since I don't
                    disagree with what you said.

                    Take into account that I use the word "might" on
                    every sentence, as the indication of an ability.
                    Never said that 1. applies to all contexts, or 2.
                    that those are hard rules. In those cases I would
                    use "must" instead of "might".

                    With that being said, when a SNOMED CT code is
                    referenced directly as a bind to an archetype
                    node, the purpose is to add definition to the
                    archetype, not to use the code as part of the
                    record. That can be done, but is not the purpose
                    of having term bindings on the archetype. That is
                    explained on the specs somewhere, is not my idea :)


                    Cheers,
                    Pablo.

                    On Tue, Apr 18, 2017 at 5:49 AM, Bert Verhees
                    <[email protected]
                    <mailto:[email protected]>> wrote:

                        Op 17-4-2017 om 23:57 schreef Pablo Pazos:
                        Currently the use of specific SNOMED CT codes
                        in archetypes is for further definition /
                        specification of the clinical concepts.

                        To use SNOMED CT at runtime, external
                        constraints are used in the form of URIs,
                        that might point to a SNOMED domain or
                        specific subset. If the subset is local, the
                        archetype might not be the place of setting
                        the constraints since archetypes should be
                        general purpose & globally valid.

                        Pablo, I have a slightly different opinion on
                        your statement. But first I want to emphasize
                        that it is generally a good guide line what
                        you express. But I disagree with your way of
                        expressing strongly.

                        In the case of local subset you are right. But
                        in cases of non-local subsets, all SNOMED
                        information can be used globally, depending on
                        licensing.
                        But even in case of local subsets, ADL offers
                        the freedom the create archetypes for a very
                        special small local domain.
                        There is nothing wrong with that, if you need
                        it, then you need it. Although, it is better
                        to look for a wider usability or of there is
                        already something similar.

                        People can have good reasons to add SNOMED in
                        archetypes, in term-bindings, or, for example,
                        in restricting hierarchies in SNOMED.
                        But AOM is not that far right now that it can
                        fully extensively use SNOMED. And ADL does not
                        yet allow expressions in termbinding

                        So there is some way to go, but denying the
                        need by stating that it is not right to do so
                        does not seem right to me.
                        It is on people to decide what is right.
                        OpenEHR should facilitate, not dictate. That
                        has always been a part of base thinking.

                        I think the next generation HealthICT will use
                        the full extend of SNOMED, including
                        post-coordinated expressions, hierarchies,
                        subsets, etc. I hope OpenEHR will step on
                        board of that train very soon.
                        This will surely change thinking about
                        archetypes, CKM, and so on.

                        But good scotch needs time to grow up. ;-)
                        But be careful not to throw away scotch which
                        will be very good in a few years.

                        A template might be the right place of
                        setting those constraints (specific, locally
                        valid).
                        I disagree with this one also. There can be
                        disadvantages against using specific
                        constraints in templates instead of archetypes.
                        It must be reconsidered from case to case.

                        It has to do with code-reuse and
                        code-maintenance, so called: the DRY-rule
                        (Don't Repeat Yourself).
                        If a specific extra constraint on an archetype
                        reoccurs inside a organization in more
                        templates, then it is in my opinion better to
                        specialize that archetype, because then there
                        is one single point of maintenance.
                        The alternative to do it in a template every
                        time, gives you more points of maintenance on
                        the same specific part.

                        The DRY rule is very well-known and for good
                        reason:
                        https://en.wikipedia.org/wiki/Don%27t_repeat_yourself

                        An important part of the power of OpenEHR is
                        in the flexibility which offers solutions for
                        exceptional situations.

                        Best regards
                        Bert Verhees


                        Regards,
                        Pablo.

                        On Wed, Apr 12, 2017 at 5:56 AM, Bert Verhees
                        <[email protected]
                        <mailto:[email protected]>> wrote:

                            Hi,
                            I needed to clean up archetypes from
                            SNOMED bindings because of
                            license-reasons, I "grepped" the local
                            directory from CKM.
                            To my surprise I found there SNOMED
                            bindings in over 50 archetypes.
                            This can, I think, be a problem for
                            countries which have no SNOMED license.
                            Or is the opinion that SNOMED is allowed
                            in archetypes even in non-member-countries.

                            Bert


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