Dear All,
I'd rather suggest to better group the aggregates as single instances of
Physical Object, which corresponds to the way of handling of such
"multiple items".
Best,
Martin
On 10/8/2025 1:55 PM, Christian-Emil Smith Ore via Crm-sig wrote:
Dear all,
The Issue 700 is described in
https://cidoc-crm.org/Issue/ID-700-migration-instructions-for-e13-attribute-assignment-and-subclasses-and-its-properties-plus-their
I have created a document in the Google drive,
see
https://docs.google.com/document/d/1TGR8ccpWSNcj4ZJZdVqxH_ax3x_jhn5neXyRuBh6l9Q
<https://docs.google.com/document/d/1TGR8ccpWSNcj4ZJZdVqxH_ax3x_jhn5neXyRuBh6l9Q>
with a draft for the migration rule. I put a copy of the draft at the
end of this email.
Best,
Christian-Emil
Migration Instructions for E13 Attribute Assignment, subclasses and
(sub)properties
In cultural heritage institutions it is common practice to document
condition assessment, measurement, classification, observation etc.
for groups of objects. This has been reflected in the CRMbase by the
quantification many-to-many of the properties P140 /assigned attribute
to (was attributed by)/ and P141 /assigned (was assigned by)/ and
their subproperties. From v7.3.1 and on, all instances of of E13
Attribute Assignment (and subclasses) forms a single activity applied
to exactly one object and yielding one value or dimension, which
prohibits multiple values or dimensions as the objects of one instance
of E13 Attribute Assignment (condition assessment, measurement,
classification, observation, etc.). After the change one has to
replace the single instance of E13 Attribute Assignment or subclasses
with an instance of E7 Activity as the grouping event and a new
instance of E13 Attribute Assignment or subclasses for each of the
objects in question. The grouping instance should hold the information
about time, place and actor of the original instance of E13 Attribute
Assignment and a type indicating the kind of event. Each of the new
instances of E13 Attribute Assignment or subclasses should be
sub-events, that is connected to the new instance of E7 activity via
the property P9 /consists of (forms part of)/
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--
------------------------------------
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
Email:[email protected]
Web-site:http://www.ics.forth.gr/isl
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