Unfortunately, no -- I knew Jones when he was at Bell Labs, so a lot of what I 
know about APNs isn't from published papers. 

Now he's moved on and BL is not what it used to be, and I have no idea what 
ever happened to all the work that got done there on APNs. Lucent sure isn't 
doing it, and AT&T (now Shannon) Labs trashed their AI section a few years 
back.

Josh


On Tuesday 22 May 2007 02:39:59 pm Chuck Esterbrook wrote:
> On 5/22/07, J Storrs Hall, PhD <[EMAIL PROTECTED]> wrote:
> > I'm not doing any active work on it at the moment, but my favorite 
approach
> > has been Mark Jones' active production networks, which are one of those
> > schemes that lies in the twilight between symbolic and connectionist. Like
> > Copycat, it is based on a semantic net with spreading activation and 
variable
> > connection strengths. The network looks like the tree of a grammar, with 
lots
> > of extra links, and the text is fed in by sequentialy "lighting up" the
> > terminal nodes that correspond to words. After each one, the network
> > reconfigures itself to interpret the next word/phrase appropriately.
> >
> > There is no formal distinction between nodes holding syntactic and 
semantic
> > information. Indeed, if you "light up" nodes corresponding to a semantic
> > situation, the network can be jogged to produce sentences describing it.
> 
> Sounds interesting. I found some papers on it, but couldn't locate a
> home page for Jones or the software. Do you have any good URLs to
> share that Google isn't coughing up?
> 
> -Chuck
> 
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