core-data relationships and data structure.

Question

What is the right way to build iPhone core data for this SMS like app (with location)?
- I want to represent an entity of
conversation with
"profile1"
"profile2"
that heritage from a profile entity,
and a message entity with:
"to"
"from"
"body"
where the "to" and "from" are equal to "profile1" and/or "profile2" in the conversation entity.
How can I make such a relationships?
is there a better way to represent the data (other structure)?
Thanks

Answer 1

UPDATED

What you describe makes sense.

Create Profile, Conversation, and Message entities.

Conversations should have to-one relationships to Profile for both "to" and "from" (the inverse relationships for each will be to-many) and a to-many relationship with Message (the inverse relationship will be to-one).