Ya perhaps ... but it just doesn't feel right.  The more thought I gave it
the more I started to like the agreement approach.  On my drive home I asked
myself if I could come up with an example of something that represents a
relationship between two parties AND would have some sort of identify
fields.  In the end I could not come up with anything ...  I think all of
our examples are reasonably modeled as agreements and one could argue that
the Employment entity in Ofbiz really should be an agreement as well.  DMR
book Vol1 suggests it as a sub-class of Agreement in fig 4.13.

If PartyRelation is really just hooking up parties for (mostly) navigational
purposes; then anything more than that seems to usually represent some sort
of Agreement between the two parties.  In this way it seems Agreement is
just a specialization of PartyRelationship.

I will do more research and come up with a more concrete proposal for review
(if any changes are required at all).


Adrian Crum wrote:
> 
> We already have PartyIdentification and PartyIdentificationType. Maybe 
> those could be tied to PartyRelationship somehow.
> 

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