[Modeling] (no subject)

Marian Nodine nodine@research.telcordia.com
Mon, 17 Mar 2003 11:16:48 -0600

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I also agree with Renato. It seems to me that putting the interaction protocol
information together with agemt implementation details such as method calls
violates the autonomy of the agents themselves. The specification of the
interaction protocol should not engender any constraints on the part of the
agent designer beyond the support of the interaction; in other words, the
agent implementor should be free to use whatever methods he deems proper for
his agent implementation.  Thus, I would prefer instead, as Renato suggests,
to allow implementors of agent systems to be able to hyperlink these to agent
implemenation diagrams themselves.

-- Misty

Renato Levy wrote:

> I respectfully disagree, and personally favor a set of diagrams, perhaps
> with hyper links betweeen each other. I very afraid of putting too much
> detail in one diagram, and loose its main meanning in the bulkness of the
> notation.
> >Marc-Philippe Huget wrote:
> > > I just received a good question that must be considered even if I
> > > have my thoughts about it. The person represents agents as a set of
> > > objects:
> > > one for communication, one for means-end reasoning, one for scheduling,
> > > etc. She wants to write an interaction diagram that presents the
> > > exchange of messages between agents but as well, the method invocation
> > > between the agent as whole and the objects constituting it. The aim is
> > > to link messages to actions triggered by these messages.
> >
> >I agree that it is important to be able to do this, although it
> >depends on what use is being made of the interaction diagram.  If the
> >diagram is being used as an external representation of the system
> >(e.g. to aid debugging, as suggested in the AAMAS 2002 paper by
> >Poutakidis et al., http://doi.acm.org/10.1145/544862.544966), then the
> >connection of messages to actions doesn't seem to be required.
> >However, if the diagram is intended to be a fully detailed
> >specification of an interaction protocol then it seems important to
> >indicate what information is contained within the message and what it
> >is that the agent should do with that information (e.g make a
> >particular type of decision).  I have a paper discussing this issue at
> >http://CEUR-WS.org/Vol-66/oas02-16.pdf, although it uses Petri net
> >notation, not AUML.
> >
> >This requirement could possibly be dealt with by making connections
> >between different kinds of AUML diagram, but I think it would be
> >better if there were a way to define an interaction protocol and the
> >connection between messages and actions in a single diagram.
> >
> >- Stephen
> Renato Levy
> Principal Scientist
> Intelligent Automation, Inc.
> 7519 Standish Place, ste 200
> Rockville, MD 20855
> phone: (301)294-5241
> fax: (301)294-5201
> WWW: http://www.i-a-i.com
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org:Telcordia Austin Research Center
title:Senior Research Scientist
fn:Marian Nodine