[Freebase-discuss] [BULK] Re: new ISBN schema
thadguidry at gmail.com
Tue May 8 19:41:25 UTC 2012
On Tue, May 8, 2012 at 2:23 PM, Jeff Prucher <jprucher at google.com> wrote:
> On Sat, May 5, 2012 at 8:57 AM, Thad Guidry <thadguidry at gmail.com> wrote:
>> 2 questions...
>> 1. Lots of things are a "cataloged_instance". But Freebase only has a
>> few of the categories of things that are cataloged.
>> Most of the cataloged items that get much love universally are in the
>> Media commons such as Books, CDs, DVDs. I understand that.
>> But what about the product categories that are outside the "namespace" of
>> Media...then it's handled case by case ? Camera Lenses.
>> or handled with more Types and more Schema under a new namespace ?
>> Magazine ISSN numbers.
>> I just want to understand the forward thinking overall for future
>> expansion opportunities.
> Camera lenses are consumer products, and therefore have a GTIN property.
> ISSNs are a good question. We've talking about different ways of handling
> them a couple times, but I don't think we ever got anywhere. These might be
> a candidate for cataloged_instance, but I'm not sure. I don't know if they
> have the same problems of "soft key-ness" and being used by multiple types
> that ISBNs do or not.
I think ISO already said NO to the soft key-ness of ISSNs ? :
and here's the list of ISO working groups on the various up and coming
international codes primarily around this grand idea of ours for Cataloged
Instance, and may have more I am not aware of:
>> 2. ISBN is a number given by an authority. (actually about 160
>> authoritative agencies worldwide -
>> http://www.isbn.org/standards/home/isbn/us/isbnqa.asp#Q6 )
>> Did we forgot that or care about approaching an ISBN identifier as being
>> authoritative having a namespace ? or does it not matter much since it is
>> handled more like ICANN ?
> We cannot go down the namespace path with ISBNs because they're not unique
> identifiers (hence the old soft key system). Plus, they're actually
> assigned by publishers anyway; only the publisher blocks are assigned by
> central authorities.
Ah, makes sense. I did not know that about publisher blocks themselves.
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