opencog-dev team mailing list archive

[Cassio Pennachin <cassio@xxxxxxxxxxxxx>]

Elvys' forgetting mechanism is simply age-based.  Over the long run it  
will be either eliminated or restricted to short-lived Atoms such as  
perceptual data.  In the short run, we'll be porting the Pet Brain  
codebase to OpenCog soon and will need it.

Cassio

On May 29, 2008, at 9:58 AM, Gustavo Machado Campagnani Gama wrote:

> Hi Joel,
>
> On Thu, 2008-05-29 at 15:21 +1200, Joel Pitt wrote:
> > There is already a forgetting mechanism through the use of the
> > ForgettingAgent in dynamics/attention/ForgettingAgent.[ch] - which,  
> > if
> > it isn't sufficient for your needs already, should probably be
> > extended instead of introducing new forgetting systems (unless  
> > using a
> > significantly different forgetting method).
> >
> > The forgetting method should also generally be based on the LTI, not
> > the STI, of an atom.
> >
> > The ImportanceUpdatingAgent is meant to be used for updating the
> > STI/LTI of atom. Why is a separate STIDecayingAgent necessary? If the
> > ImportanceUpdatingAgent is insufficient I can try to incorporate the
> > decay process (and make it optional when strict economic attention
> > allocation is required).
>
> I'm afraid this is something you'll have to discuss with Cassio (and
> Ben?). All I've been tasked with is to port Elvys' forgetting  
> mechanism
> from the Petaverse tree (and yes, I did point it out to Cassio that  
> you
> had already commited code dealing with importance spreading and
> updating, but he said that opencog should have both features).
>
> --
> Gustavo
>
>
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--
Cassio Pennachin
CEO, Vetta Labs
www.vettalabs.com -- +55(31)3421-6933