[Crm-sig] Domain and range of P90

Franco Niccolucci franco.niccolucci at gmail.com
Wed Feb 21 19:30:59 EET 2018


Hm.

The current way of representing something similar (but different) to what you propose is:

E70 Thing -> P43 has dimension -> E54 Dimension -> P90 has value -> E60 Number

The path starts from Things (and not CRM Entities) and ends to Numbers (and not Primitive Values, i.e. also Strings, Time Primitives and whatever we can invent in the future): it gives a numeric value to a thing.

The proposed change would allow giving, through the "new" P90, a generic value defined as E59 Primitive Value, i.e anything, also to E2 Temporal Entities, E53 Places etc, all subclasses of E1. 

What can be an example of the Primitive Value of a Temporal Entity or of a Place?

For example “Bronze Age”, an instance of E4 Period, cannot have a primitive value whatever; it may have a Time Span and take place somewhere in a Place. Time spans may P83/84 have durations, instances of E54.

Dimensions would need to be considered not only as something that can be measured with numbers only: for example “poor - fair - good - excellent” would be acceptable for the space of Values, same for “strings of UTF8 characters”. It is not necessary to specify what the values is, as it by definition could be anything

So I would rather suggest to leave the domain of P43 as is, i.e. Things only; and the range of P90, as you propose, could become E59, i.e. strings or anything else to be created as subclass of E59, without short-cutting the above.

This allows specifying what we are talking about the Thing (its length, its social value, its ranking on its Facebook page, its translation into Estonian), i.e. the dimension; and how we measure it if desired, - E58 Measurement Unit.

Best

Franco

PS This discussion reminds me of a commercial advertising a credit card. It showed somebody buying a ring for the beloved one, paying the dinner with her, buying flowers, and ended saying that one can buy everything with the card, but romance has no price.

Prof. Franco Niccolucci
Director, VAST-LAB
PIN - U. of Florence
Scientific Coordinator
ARIADNE - PARTHENOS

Piazza Ciardi 25
59100 Prato, Italy


> Il giorno 21 feb 2018, alle ore 17:13, Robert Sanderson <RSanderson at getty.edu> ha scritto:
> 
>  
> 
> Definitely in favor of this.  Linguistic Objects can have values. Appellations have values. Digital Images have values. Etc.
> 
>  
> 
> Rob
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>  
> 
> From: Crm-sig <crm-sig-bounces at ics.forth.gr> on behalf of "Carlisle, Philip" <Philip.Carlisle at HistoricEngland.org.uk>
> Date: Wednesday, February 21, 2018 at 4:04 PM
> To: "crm-sig (Crm-sig at ics.forth.gr)" <Crm-sig at ics.forth.gr>
> Subject: [Crm-sig] Domain and range of P90
> 
>  
> 
> Dear all,
> Naïve question.
> 
>  
> 
> Is there any reason why P90 has value could not/should not change its domain and range from:
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>  
> 
> Domain:                        Range
> 
> E54 Dimension              E60 Number
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>  
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> to
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>  
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> E1 CRM Entity              E59 Primitive Value
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>  
> 
> I look forward to you answers
> 
>  
> 
> Phil
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>  
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> Phil Carlisle
> 
> Knowledge Organization Specialist
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