Machine Learning , some thoughts

Bert Verhees bert.verhees at rosa.nl
Fri Jun 29 03:29:11 EDT 2018


Thanks Heather for your reply. Unfortunately I am whole day not able to
reply. This evening or tomorrow.

Best regards
Bert

Op vr 29 jun. 2018 07:39 schreef Heather Leslie <
heather.leslie at atomicainformatics.com>:

> I totally endorse what Thomas is saying here.
>
> Let's be realistic here! CKM is not some automagic process. There is no
> archetype fairy.
>
> We need candidate archetypes proposed by openEHR members and we need the
> process to be modestly funded.
>
> What we have achieved with largely volunteer labour so far is absolutely
> extraordinary - let's not lose sight of that and we should be eternally
> grateful to those who have contributed long unpaid hours to create what we
> have today.
>
> Lots of crappy archetypes won't help interoperability. Only a few perfect
> ones won't either.
>
> We're working hard to get a balance between the two with a minimum of
> resourcing.
>
> Until there is dedicated, ongoing funding for managing CKM, and
> potentially additional funding for modellers to create new archetypes at
> the request of the community, the status quo will remain indefinitely.
>
> BTW Bert - here's a project that has some archetypes that might be useful
> for your diet app scenario:
> https://ckm.openehr.org/ckm/#showProject_1013.30.47. They were
> volunteered by some of our Portuguese colleagues and refined by CKM Editors.
>
> Regards
>
> Heather
>
> -----Original Message-----
> From: openEHR-clinical <openehr-clinical-bounces at lists.openehr.org> On
> Behalf Of Thomas Beale
> Sent: Friday, 29 June 2018 12:13 AM
> To: openehr-clinical at lists.openehr.org
> Subject: Re: Machine Learning , some thoughts
>
>
>
> On 27/06/2018 16:57, Bert Verhees wrote:
> >
> > I have sport-app which tells me the power I produce, and it tells me
> > that in Watt/kg That is more important then BMI, because athletes can
> > have a BMI above thirty (muscles are heavier then fat) and be very
> > healthy, so important is to know what they can do with all that
> > weight.
> >
> > I didn't see that one in CKM. When do you expect that to be there?
> > Will it make the next Olympics (in 2020 in Tokyo) And in the meantime,
> > we tell those athletes to be patient?
>
> or... someone who is working on an application or system to be used for
> sports can just create drafts of the archetypes and upload them to CKM now.
> The review might take a bit of time, but not that long, if the archetypes
> are not complicated.
>
> >
> > For boxers, weight is also very important, if the grow into an higher
> > class, they are the lightest person in that class and become from
> > winner a loser.
> > So they watch very carefully what they eat. They could use a
> > machine-learning program which tells them how many sandwiches to eat.
> > Because every person reacts different on food, the one gets fat from
> > the same amount of food where another stays the same.
> >
> > They need tables which tell, the bread with cheese has so much
> > calories, and bread with fish so much. How would these tables come
> > alive. In archetypes?
>
> no because this is reference knowledge, in the same sense as references
> ranges of path results, or formal drug descriptions. Archetypes are models
> of data about instances (individuals). You would probably want to create
> archetypes for recording meals / ingredients however, then an application
> can compute for you your calorific intake.
>
> > Exactly, and it can be a micro-archetype, which makes it modular. Not
> > a cluster, because it is only one data-item. It will be an ELEMENT. A
> > CLUSTER with only one datapoint looks a bit stupid.
> > Better is in CKM that they replace all CLUSTER slots with ITEM slots
> > so that it can be a CLUSTER or ELEMENT, what is appropriate.
>
> it is immaterial, as far as I can see whether it is a CLUSTER (= a data
> group) or an ELEMENT (= a data point). If some device outputs treadmill
> speed, treadmill incline, heart rate, vO2, work rate etc as a group, then
> you will have an archetype for this. With a bit of study and review of
> typical devices, it will be fairly clear what kinds of things go together
> in what ways. For example, input variables such as treadmill speed and
> incline could be anything, depending on the machine in use, but the
> physiological variables are all going to be pretty standard ones.
>
> If you have customers wanting this stuff, I suggest making some initial
> proposals for CKM.
>
> - thomas
>
>
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