Thanks for the link but I wanted some more specific answers :)

There has already been discussions about data redundancies on this mailing list, the that I'm confident we can think as relevant in Wikidata are :

* Class membership, as subclass of is a transitive property and instance of is defined using subclass of

* inverse relations

Is it of what we are talking about ?

2014-09-14 22:01 GMT+02:00 P. Blissenbach <publi@web.de>:

"Thomas Douillard" <thomas.douillard@gmail.com> werites:

> Which "norm" are we using, what should we denormalize ? According to which rules ?

We're talking aboun normalized databases vs. ones which aren't. See: http://en.wikipedia.org/wiki/Database_normalization and http://en.wikipedia.org/wiki/Denormalization

Purodha

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