[Data-modeling] [Developers] Modeling question

[Daniel E. Renfer]

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)

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