[Crm-sig] Object containership shortcuts?
martin at ics.forth.gr
Tue Jun 25 20:49:50 EEST 2019
On 6/24/2019 10:59 PM, Robert Sanderson wrote:
> Dear all,
> Has anyone used P54 has current permanent location in practice in an
> information system, where the containing Place is defined only with
> respect to some other physical object?
> Some use cases for this pattern:
> ·A set of letters in a folder, or a set of paintbrushes in a box
> ·A set of coins in a display case
> ·Books on a bookshelf
> This seems like a very easy use case for a shortcut between Physical
> Objects to avoid creating Places that exist only to be the P54 of some
> other object. The containing object is typically 1:1 with its
> container-space, as even if there are drawers in a desk, you could
> model the drawer as a part of the desk, which had its own space. Thus
> the cutlery in one drawer, the cooking utensils in a different drawer,
> despite being part of the same kitchen cupboard unit.
The most simple solution is Physical Object IsA Place, with the
respective semantics, of being itself the reference system.
The temporal aspects of P53, P55 are given by the Presence class, which
requires E18 IsA STV, otherwise the paths get very long...
We will try in our team a logical definition of these things.
> Similarly, P53 and P55 could also benefit from such a shortcut for
> their different temporal aspects.
> Crm-sig mailing list
> Crm-sig at ics.forth.gr
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,
Email: martin at ics.forth.gr
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