On 1/28/11 9:31 PM, John F. Sowa wrote:
I was talking with an old friend, Doug Skuce, who taught AI and
knowledge engineering at the University of Ottawa for many years.
He and his students and colleagues have developed some software
that could be valuable for designing and supporting ontologies.
In the late 80s he developed a knowledge acquisition tool called
CODE (Conceptually Oriented Development Environment) in Smalltalk.
Since CODE did not run on the web, he designed a new version called
Fact Guru in the late 90s. FG can be used to organize a knowledge
base of any kind and present it in a highly readable way;
http://www.site.uottawa.ca/~tcl/factguru1/FactGuru.pdf
Following is a blurb from the web site:
With Fact Guru you can improve understanding by:
* storing facts grouped by subject in a highly structured
knowledge base.
* searching the knowledge base to find just the fact you need
* comparing subjects to see a comparison matrix of differences
* viewing subjects as a graph to see relationships between them
For a beginner's example that uses only English, see the knowledge
base of Canadian Animals, which was implemented by Doug's nine year
old daughter. Click on any animal name to find a collection of
information about it:
http://www.site.uottawa.ca/~tcl/factguru1/animals/index.html
More important for ontology is the use of Fact Guru to import,
organize, and display the top-level ontology of SUMO:
http://www.site.uottawa.ca/~tcl/factguru1/sumo/index.html
For an example of a knowledge base about a technical subject,
see the Fact Guru KB about the Java programming language, which
Doug used for teaching a course on Java:
http://www.site.uottawa.ca/~tcl/factguru1/java/index.html
This KB is important for two reasons: (1) it is cross linked
to an associated HTML document about Java; and (2) it is written
in a version of controlled English called ClearTalk.
Doug is currently working with some programmers who are
reimplementing Fact Guru with the Drupal content management
software in order to organize and relate multiple knowledge
bases. This could be useful for the Open Ontology Repository.
I thought that participants in Ontolog Forum might express
their wish list about features that would be useful for
supporting ontologies and their applications.
John Sowa
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John / Doug,
Ideally, I would like to be able to de-reference this HTTP based
Object Reference:
http://www.site.uottawa.ca/~tcl/factguru1/java/index.html#objectreference,
and get back alternative representations of the facts e.g., the
ClearTalk based controlled English in a CSV document, for
instance.
Is the above possible? That's that fundamental concept that
underlies the HTTP based Linked Data meme :-)
--
Regards,
Kingsley Idehen
President & CEO
OpenLink Software
Web: http://www.openlinksw.com
Weblog: http://www.openlinksw.com/blog/~kidehen
Twitter/Identi.ca: kidehen
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