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kleinmann
2008 Nov 20
3
Any progress on undirected self-referential many to many relationships?
I am going to re-ask a question that has been asked a few times in the
past. What is the best way to represent an undirected self-referential
many to many relationship. Trivial examples of this include an edge in
an undirected graph, or a mutual friendship.
Alice is a person
Bob is a person
Alice and Bob are friends of each other
We have a whole bunch of extra information about their friendship