Lpkb



One aspect of Lpkb has always been reasoning about action, a subfield of the logical school of AI.  Now for everyday purposes logic is 'brain-dead' but the frame problem and the machinery used to solve it are quite interesting.

In brief solving the frame problem amounts to coming up with a way to formalise the commonsense notion that the effect of most actions is limited and that most properties are as they were before the action.

Tags

  1. scripting
  2. lpkb
  3. ai

Comments


Colm O Cinneide says
Great!

Seth says
this time i was able to find your comment within minutes of it's entry with our new feature "my page"

Colm O Cinneide says

We will get there!

Mark de LA says
Presumably you are talking about something like these ?
Mindmakers - Project lpkb
Low Performance Knowledge Base. Colm Kennedy, David Whitten. A knowledge base
spanning common sense. Over 10000 axioms, where each axiom is made of triples. ...
www.mindmakers.org/projects/lpkb - 5k - Cached - Similar pages - Remove result
SourceForge.net: Project Info - Low Performance Knowledge Base
Project: Low Performance Knowledge Base: Summary ... Project UNIX name: lpkb
Registered: 2001-09-29 06:45 Activity Percentile (last week): 51.79 ...
sourceforge.net/projects/lpkb/ - 35k - Cached - Similar pages - Remove result


Mark de LA says
Perhaps it would be better to do a google search link google low performance knowledge base instead of the above.

Colm O Cinneide says
Thanks Mark.

Colm O Cinneide says
Yes, the name arose when I had only a few lines of C-Code. I hope that's ok? Say if it isn't.

Seth says
Interesting how these projects spin around.  I remember David Whitten from when we were collaborating on pdkb which, if memory serves me, was our attempt to grok and have a really open cyc before CyCorp kind of opened it up themselves.  I had no idea that you and he went on to collaborate on lpkb.

Seth says
I am now a proud downloader of the lpkb. 

Question:  are the files ending in .con the 300 contexts refered to in the introduction sentence "The knowledge base is divided into three hundred contexts"  ??

Colm O Cinneide says
Yes but quite an old division for the first upload to Source Forge.

Colm O Cinneide says
Thanks for the URL Seth. I still cannot get the hand of links here!

Seth says
So, colm, is there any running code on the lpkb, and are there any impressive demos?

Colm O Cinneide says
Well there is the inference engine but i pre-suppose the general public has no interest in AI baby talk.  I am working on an unrestricted natural language parser but it is *very* early days on that.


Seth says
i would be more interested in a "urrestricted natural language parser" anyway ... even if it could just identify phrases or events or proper names.

Seth says
did i represent lpkp accurately in my 1647 ?

Colm O Cinneide says
yes that seems fair seth.

Colm Sean O Cinneide says
In RAIN the (potential) unrestricted parser there are four classes
[e] events = 1000 entries
[a] actors =1000 entries
[o] other = 5000 entries
[x] xlinks = 50000 entries

Actors and events corresponds to nouns and verbs.  Others includes all the symbols from the kb.
Xlinks were generated from any axiom in OpenMind that mentions [a] or [e] so are "close" to the kb.
Xlinks are just untyped links in a large semantic network.

What to do?


Colm Sean O Cinneide says
This shows we are not there yet.

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