[Zope3-dev] Yet Another Relations (aka Reference) Engine...
Jean-Marc Orliaguet
jmo at ita.chalmers.se
Sat Nov 12 14:00:49 EST 2005
Helmut Merz wrote:
>Am Samstag, 12. November 2005 18:00 schrieb Jean-Marc Orliaguet:
>
>
>
>>My
>>impression is that you are thinking of a reference engine
>>rather than a relation engine
>>
>>
>
>Maybe I just don't see the difference... (There is one, of
>course, but I doubt it is really of relevance in a practical
>context. )
>
>Helmut
>
>
A relation contains several references:
a relation between A, B and C involves 7 references:
A with itself
B with itself
C with itself
A with B
B with C
C with A
A with B with C
But a set of references don't make explicit relations, unless the
application know how to interpret the references.
/JM
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