[Data-modeling] [Developers] Modeling question

[Shawn Simister]

Daniel E. Renfer wrote:
> Robert Cook wrote:
>> Topic granularity for products is a very interesting topic.  People  
>> would like to think of the topics "Coke", "Diet Coke", "Diet Coke 1  
>> liter bottle" all as type "product" in different circumstances.  
>> This  could be handled by a "phylogeny" containment pattern, where 
>> the  product type pointed to more specific versions of the product, 
>> just as  the "location" type points to other contained locations.
>
> Are you thinking of having one "product" type that points back in on 
> itself, (like "location") or having a finite amount of levels that 
> form a tree? (as in my proposal)
I would favor a separate type such as ProductEdition which would specify 
a unique version of a product such as a hard-cover version of a book or 
a 1L bottle of Coke.