Re: [soa-rm-ra] Resend with readable jpg: My takeway (while listeningin to another telecom)

[James Odell <email@jamesodell.com>]

More on "directional" association classes, attached.

-Jim

On 6/24/09 5:37 PM, "Rex Brooks" indited:

> Hi again Folks,
> 
> 
> Sorry you couldn't read the diagram I attached the first time. I
> didn't realise that until  got back into my home office a few minutes
> ago. So none of what I said below could make much sense. The first
> time I saved in EA it did something screwy. I doubt my penchant for
> eliminating whitespace in filenames had anything to do with, but I
> left the diagram name alone this time and it worked.
> 
> So now you can see what I came away with from today'smeeting.
> 
> Cheers,
> Rex
> 
> 
> 
> Hi Folks,
> 
> I shouldn't say I'm not going to do something when my next task is to
> listen into another meeting (and a looooong one) where I don't have
> to participate much. So I have attached my takeaway from today's
> meeting for the Trust and Risk in Willingness diagram. If EA allows a
> bi-directional Association Class, I couldn't find out how to do it,
> however, in practice both Trust and Risk should go in both
> directions, or you can just think of the actors as swapping
> positions. However, in any case, I think we should make their
> definitions as close to identical as we can as opposite Association
> Classes.
> 
> Now:
> 
> Trust: Trust is an actor's private perception of the commitment
> another actor has to a goal together with an identifiable set of real
> world effects associated with that goal.
> 
> Risk: Risk an an actor's private perception that another actor's
> actions will impede fulfillment of the first actor's objectives.
> 
> At a minimum I think Risk should say that "Risk is an actor's private
> perception that another actor's action and other factors will impede
> fulfillment of the first actor's objectives.
> 
> What I suggest: Trust is an actor's private perception that another
> actor's actions and other factors will aid fulfillment of the first
> actor's objectives.
> 
> I added other factors because different external and internal factors
> may apply between Trust and Risk and are part of the assessment of
> how well another actor's action will effect attaining the Desired
> Real World Effect.
> 
> I chose the Risk definition to make them identical just because it
> was shorter and more terse and commitment is, IMO just another
> factor, a big one, but just one of many.
> 
> So, In light of both Ken's prior effort and Danny's I think we are at
> least getting honded down.
> 
> Cheers,
> Rex
>

Actor & Trust.pptx