Hi Robin,
There are no Cyc critiques that I know of in the last few years.  I was 
employed seven years at Cycorp until August 2006 and my non-compete agreement 
expired a year later.   

An interesting competition was held by Project Halo in which Cycorp 
participated along with two other research groups to demonstrate human-level 
competency answering chemistry questions.  Results are here.  Although Cycorp 
performed principled deductive inference giving detailed justifications, it was 
judged to have performed inferior due to the complexity of its justifications 
and due to its long running times.  The other competitors used special purpose 
problem solving modules whereas Cycorp used its general purpose inference 
engine, extended for chemistry equations as needed.

My own interest is in natural language dialog systems for rapid knowledge 
formation.  I was Cycorp's first project manager for its participation in the 
the DARPA Rapid Knowledge Formation project where it performed to DARPA's 
satisfaction, but subsequently its RKF tools never lived up to Cycorp's 
expectations that subject matter experts could rapidly extend the Cyc KB 
without Cycorp ontological engineers having to intervene.  A Cycorp paper 
describing its KRAKEN system is here.

 
I would be glad to answer questions about Cycorp and Cyc technology to the best 
of my knowledge, which is growing somewhat stale at this point.

Cheers.
-Steve

Stephen L. Reed


Artificial Intelligence Researcher
http://texai.org/blog
http://texai.org
3008 Oak Crest Ave.
Austin, Texas, USA 78704
512.791.7860




________________________________
From: Robin Hanson <[EMAIL PROTECTED]>
To: agi@v2.listbox.com
Sent: Saturday, November 29, 2008 9:46:09 PM
Subject: [agi] Seeking CYC critiques

What are the best available critiques of CYC as it exists now (vs. soon after 
project started)?


Robin Hanson  [EMAIL PROTECTED]  http://hanson.gmu.edu 
Research Associate, Future of Humanity Institute at Oxford University
Associate Professor of Economics, George Mason University
MSN 1D3, Carow Hall, Fairfax VA 22030-4444
703-993-2326  FAX: 703-993-2323
  

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