Hi Dan,
On 15/9/2014 8:37 πμ, Dan Matei wrote:
Hi Martin
On 14 September 2014 21:40, martin <[email protected]
<mailto:[email protected]>> wrote:
We use to solve this with multiple instantiation (E49, E33). Note
that most place names
or not language specific. Few bigger places use to have language
variants.
See also FRBRoo 2.0, about name use practice.
Yes, but why using acrobatic solutions ? There is a strong reason
against making those classes subclasses of E33_Linguistic_Object ?
Well, we regard that many (most) Appellations do not have a language. If
we accept that, making linguistic object a superclass of appellation
just because sometimes the property may appear, violates all principles
of generalization.
Even if you have thousands of bilingual placenames, there are a million
more which do not have a language equivalent,
and many which have survived different cultures.
Multiple instantiation is not "acrobatic",
but a very important feature of KR models like RDF, giving credit to the
fact that there are incidental combinations
of classes on particular instances. For instance, I can make a
spoon-knife, its a real spoon, a real knife, but nothing more
to say about it as a category. Avoiding to subclass any combination of
classes that may appear in some reality, is one of the fundamental
principles that has kept the CRM as small as it is. In terms of
implementation, the overhead is negligible, and not "acrobatic ;-) ".
If we want to be more precise, it is not the name which is translated,
but the place which is renamed. A place "St. John" in Canada is not
called "Sankt Johann" by Austrians, nor vice versa. The cases in which
the placename in two languages is unique is even more rare.
Best,
Martin
Cheers,
Dan
PS. True that Paris has few language variants. But in my Transylvania
there are thousends bilingual (Romanian and Hungarian) place names.
Not to mention the German ones :-)
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