Dear Simon,

Your argument well taken, I hope I have not been misunderstood: In the case of the 12 spoons, forks, and knives, one may argue that as long as the majority of parts is in the hands of the curator, he has keept it, even if every piece has temporarily left his hands. This is different from marking the chassis. One could even allow for all parts being exchanged, if the object's identity is defined respectively. I'd regard these as different ways to define a representative part. I believe they are all acceptable, as long as they do not come in conflict with the natural concept of identity of the object, and do not cause ambiguity about who has the object and who the parts. With the cutlery, indeed someone could be regarded keeper of the whole, and all parts dissapearing into different hands, leaving the keeper of the whole with nothing in his hands. I think this should be avoided. Does that make
sense?

Cheers,

Martin

On 5/10/2015 7:07 μμ, Simon Spero wrote:

I would argue that the extreme case is not the set of cutlery, but the Ship of Theseus- or more practically, the Car of Enzo. 

For models such as the 250 GTO,  it is very much the provenance in association with the chassis number that determine the identity over time.

If a vehicle is crashed, then restored without a transfer of custody, any application of the new scope note may be post hoc.

Simon

On Oct 5, 2015 10:13 AM, "martin" <martin@ics.forth.gr> wrote:
Dear All,

Issue:

P49:

This shortcut supposes the existence of at least one representative part standing physically for the whole. Discuss knowledge revision process if a piece taken to be the representative of the whole must be regarded piece of another. Things kept may have parts in other hands.

A comment should be stated. Steve, MD, Athinak should think together

 

I propose the scope note addition:

Scope note:      This property identifies the E39 Actor or Actors who have or have had custody of an instance of E18 Physical Thing at some time. This property leaves open the question if parts of this physical thing have been added or removed during the time-spans it has been under the custody of this actor, but it is required that at least a part which can unambiguously be identified as representing the whole has been under this custody for its whole time. For instance, in the extreme case of a set of cutlery we may require the majority of pieces having been in the hands of the actor.


Best,

Martin

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--------------------------------------------------------------
 Dr. Martin Doerr              |  Vox:+30(2810)391625        |
 Research Director             |  Fax:+30(2810)391638        |
                               |  Email: martin@ics.forth.gr |
                                                             |        
               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               |
                                                             |
             Web-site: http://www.ics.forth.gr/isl           |
--------------------------------------------------------------