> From: Vladimir Ivanov [mailto:[email protected]]

Thanks for your feedback! 
(My middle name is "Ivanov" so I was like "am I speaking to myself??" :-)

Another heretical thought: I'm thinking of also making it E53_Place that 
P89_falls_within rkd-place:TheHague,
so that the "thing from place" search in our system can also search by 
collection (for free).

With Exhibit faceting it could look like this 
(Exhibit doesn't have hierarchical facets but maybe we can fool it to indent):
  10 Netherlands
     5 Amsterdam
       3 Rijkmuseum
     5 The Hague
       5 Mauritshuis
  3 France
    3 Paris
      3 Napoleon Museum
Nice, eh? 

How come the 3 paintings in Rijkmuseum increase to 5 paintings in Amsterdam?
Well, maybe 2 of the paintings that are *currently* in The Hague were *made in* 
Amsterdam,
and our definition of "thing from place" includes both of these relations.

Note: this stuff is based on M.Doerr's New Framework for Querying Semantic 
Networks (FORTH TR419 2011)

> scope notes of the mentioned classes (E39.Actor, E78.Collection)
> may contain contradicting statements,

You're right. So we'd need 3 nodes for each museum:
- the legal organization
- the collection 
- the place

But looking pragmatically, my user doesn't care about these semantic 
distinctions.
To an art researcher a museum is a museum. I think that he'd rather see:
- the has_type label (e.g. "public museum", "private collection") rather than 
the CRM class(es)
- all properties of the museum bunched together, rather than an extra level of 
nesting/navigation

M.Doerr himself is a bit of a heretic :-) 
Tuesday, November 22, 2011 7:21 PM:
>Other combinations might in practice be used in a non-disjoint manner, 
>depending on the
>context, because of a 1-1 relationship... 
>one may like to get rid of Time-Spans. Why not. Saves a lot of identifiers and 
>joins

Right on! 
We can't tolerate blank nodes in our system, since that'd hurt Annotation of 
statements under implementation Alternatives 1&2
(see 
http://personal.sirma.bg/vladimir/crm/art/PropertyTypesAndAnnotations.html#sec-2_2_
 and my email Mon 10/24/2011 11:25 PM).
So I've had to introduce measly nodes like this (/person, /person/name, /date 
and /id), and I sort of hate it:

<obj/2926/part/2/production> crm:P14_carried_out_by 
<obj/2926/part/2/production/person>.
<obj/2926/part/2/production/person> a crm:E21_Person; crm:P131_is_identified_by 
<obj/2926/part/2/production/person/name>.
<obj/2926/part/2/production/person/name> crm:P3_has_note "Willem de Vries".

<obj/2926/part/1/production> crm:P4_has_time-span 
<obj/2926/part/1/production/date>.
<obj/2926/part/1/production/date> crm:P82_at_some_time_within "1636"^^xsd:gYear.

<obj/2926/file/6> crm:P48_has_preferred_identifier <obj/2926/file/6/id>.
<obj/2926/file/6/id> crm:P3_has_note "549".



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