[Crm-sig] NEW ISSUE: Scope Note of E60 needs revision

Martin Doerr martin at ics.forth.gr
Fri Oct 11 22:34:07 EEST 2019


Hi Richard,

Sorry, should have been "NEW ISSUE".:-[

On 10/10/2019 10:32 PM, Richard Light wrote:
>
> Martin,
>
> Is this an official CRM Issue? I don't see an issue number, and a 
> search of the issues page for 'E60' yields only Issue 197, which was 
> resolved two years ago. Nor can I find any mention of this issue in 
> the recently-published minutes from the last SIG meeting.
>
> I ask because I'm struggling to understand the context in which the 
> question has been raised, and your most recent answer.
>
> Best wishes,
>
> Richard
>
> On 09/10/2019 19:28, Martin Doerr wrote:
>> Richard,
>>
>> On 10/9/2019 6:34 PM, Richard Light wrote:
>>>
>>> Martin,
>>>
>>> I'm not sure I particularly like the phrase 'identifiers in 
>>> continua' - but maybe I just don't understand its intended meaning.  
>>> To me, a date is just a data value, expressed to a certain degree of 
>>> precision. An 'identifier' suggests something which is deliberately 
>>> assigned as a property of an entity, in order to ... identify it.
>>>
>> A date is a numerical distance from a starting point, e.g. a zero 
>> redefined every time the precision increases. A geocoordinate refers 
>> to Greenwich, etc. Therefore they are NOT values, but absolute points 
>> in space time. Not quantities.
>>
>>> In any case, if we are defining and giving examples of these 
>>> identifiers, shouldn't we be
>>>
>> Yes E41 need rewriting. I work on it. All examples from deprecated 
>> classes need to be transferred.
>>
>> Thank you!
>>
>> Martin
>>
>>> Whatever these identifiers are, they won't be E50 or E47, both of 
>>> which are flagged as deprecated (and now to be treated as E41 
>>> Appellation).
>>>
>>> Richard
>>>
>>> On 08/10/2019 17:59, Martin Doerr wrote:
>>>>
>>>>
>>>> Dear All, we need to provide other definitions of identifiers in 
>>>> continua.
>>>>
>>>>
>>>>       E60 Number
>>>>
>>>> Subclass of:E59 <#_E59_Primitive_Value> Primitive Value
>>>>
>>>> Scope Note:This class comprises any encoding of computable 
>>>> (algebraic) values such as integers, real numbers, complex numbers, 
>>>> vectors, tensors etc., including intervals of these values to 
>>>> express limited precision.
>>>>
>>>> Numbers are fundamentally distinct from identifiers in continua, 
>>>> such as instances of E50 Date and E47 Spatial Coordinate, even 
>>>> though their encoding may be similar. Instances of E60 Number can 
>>>> be combined with each other in algebraic operations to yield other 
>>>> instances of E60 Number, e.g., 1+1=2. Identifiers in continua may 
>>>> be combined with numbers expressing distances to yield new 
>>>> identifiers, e.g., 1924-01-31 + 2 days = 1924-02-02. Cf. E54 Dimension
>>>>
>>>> Examples:
>>>>
>>>> §5
>>>>
>>>> §3+2i
>>>>
>>>> §1.5e-04
>>>>
>>>> §(0.5, - 0.7,88)
>>>>
>>>> In First Order Logic:
>>>>
>>>> E60(x) ⊃E59(x)
>>>>
>>>> -- 
>>>> ------------------------------------
>>>>   Dr. Martin Doerr
>>>>                
>>>>   Honorary Head of the
>>>>   Center for Cultural Informatics
>>>>   
>>>>   Information Systems Laboratory
>>>>   Institute of Computer Science
>>>>   Foundation for Research and Technology - Hellas (FORTH)
>>>>                    
>>>>   N.Plastira 100, Vassilika Vouton,
>>>>   GR70013 Heraklion,Crete,Greece
>>>>   
>>>>   Vox:+30(2810)391625
>>>>   Email:martin at ics.forth.gr   
>>>>   Web-site:http://www.ics.forth.gr/isl  
>>>>
>>>> _______________________________________________
>>>> Crm-sig mailing list
>>>> Crm-sig at ics.forth.gr
>>>> http://lists.ics.forth.gr/mailman/listinfo/crm-sig
>>> -- 
>>> *Richard Light*
>>>
>>> _______________________________________________
>>> Crm-sig mailing list
>>> Crm-sig at ics.forth.gr
>>> http://lists.ics.forth.gr/mailman/listinfo/crm-sig
>>
>>
>> -- 
>> ------------------------------------
>>   Dr. Martin Doerr
>>                
>>   Honorary Head of the
>>   Center for Cultural Informatics
>>   
>>   Information Systems Laboratory
>>   Institute of Computer Science
>>   Foundation for Research and Technology - Hellas (FORTH)
>>                    
>>   N.Plastira 100, Vassilika Vouton,
>>   GR70013 Heraklion,Crete,Greece
>>   
>>   Vox:+30(2810)391625
>>   Email:martin at ics.forth.gr   
>>   Web-site:http://www.ics.forth.gr/isl  
>>
>> _______________________________________________
>> Crm-sig mailing list
>> Crm-sig at ics.forth.gr
>> http://lists.ics.forth.gr/mailman/listinfo/crm-sig
> -- 
> *Richard Light*
>
> _______________________________________________
> Crm-sig mailing list
> Crm-sig at ics.forth.gr
> http://lists.ics.forth.gr/mailman/listinfo/crm-sig


-- 
------------------------------------
  Dr. Martin Doerr
               
  Honorary Head of the
  Center for Cultural Informatics
  
  Information Systems Laboratory
  Institute of Computer Science
  Foundation for Research and Technology - Hellas (FORTH)
                   
  N.Plastira 100, Vassilika Vouton,
  GR70013 Heraklion,Crete,Greece
  
  Vox:+30(2810)391625
  Email: martin at ics.forth.gr
  Web-site: http://www.ics.forth.gr/isl

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