I think this would be a useful discussion and class. It has also been proposed within the PARCOURS model although perhaps a tighter proposal can be made.

Thanasis

P.S. The example for P103 could do with updating...

On 01/09/2021 20:47, Martin Doerr via Crm-sig wrote:
Hi George,

I think this is a good idea, of course, we should first look at a more specific property, since "instruments" can be very heterogeneous, or we concentrate on measurement devices in a narrower sense.

Best,

Martin

On 8/25/2021 12:53 PM, George Bruseker via Crm-sig wrote:
Dear all,

I am working on a conservation science modelling project in which the users document also their machinery. Something that comes up is that they want to document the kind of property or variable that is measured by the machine. This is a property of the machine, what it can do (dunamis).

We of course already have p103 was intended for
http://www.cidoc-crm.org/Property/P103-was-intended-for/version-7.1.1 <http://www.cidoc-crm.org/Property/P103-was-intended-for/version-7.1.1>

I already make use of this for the purpose of documenting the general kind of method the machine can be used for.

But when you run the machine, it tests for certain variables and produces a resulting output which is a digital record of a signal carrying that variable.

This reminds me of some elements from CRMSci and from CRMdig

CRMSci has observations that look for property types:

S4 Observation
O9 observed property type E55

http://www.cidoc-crm.org/crmsci/sites/default/files/CRMsci%20v.1.3.pdf <http://www.cidoc-crm.org/crmsci/sites/default/files/CRMsci%20v.1.3.pdf>

We also have in CRMdig both a class for instruments (digital ones)

D8 Digital Device

and we again have a notion of an observation kind of event measuing a kind of thing

D11 Digital Measurement Event
L17 measured thing of type E55

http://www.cidoc-crm.org/crmdig/sites/default/files/CRMdig_v3.2.1.pdf <http://www.cidoc-crm.org/crmdig/sites/default/files/CRMdig_v3.2.1.pdf>

So, anyhow, putting that all together, I note:

people document their scientific machines and what they do
some of the properties pertain to the machine (it may measure only these things) there are several references to such a property already in crmsci and dig but placed on the event.

So I wonder, for discussion, is there an interest in an instrument class (possibly beginning a bridge between sci and dig) which would not just be a leaf node but have its own substantial properties. I suggest a first one might be something like 'measures property/variable of type'.

This is not yet a proposal for such a thing, just an invitation to discussion for those who are interested on the potential utility of such an addition.

Best,

George


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