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Re: [ontolog-forum] Quality

To: "[ontolog-forum] " <ontolog-forum@xxxxxxxxxxxxxxxx>
From: Jack Ring <jring7@xxxxxxxxx>
Date: Fri, 17 Dec 2010 09:44:15 -0700
Message-id: <1C9427C9-452B-43FF-9041-8399FED34AAC@xxxxxxxxx>
John,
Greatly appreciated.

Jack    (01)

On Dec 17, 2010, at 9:15 AM, John F. Sowa wrote:    (02)

> On 12/17/2010 10:54 AM, Jack Ring wrote:
>> Are you saying that the incidence of error will not be a factor
>> in the value proposition that customers will find compelling?
>> What is your attitude toward ontologies with an error rate
>> of 1 per 1000 assertions?
> 
> Errors are always a factor, but some are more serious than others.
> 
> As I'm writing this, the radio in the background had a news
> item about an investigation of hedge funds that may have used
> inside information.
> 
> The interviewer asked whether that would be a "big case",
> and the response was "Any case in which you are indicted
> is a big case for you."
> 
> I believe that a similar principle applies to ontologies.
> 
> But I would also recommend tools that can detect and avoid
> as many errors as possible.  For example, the software for
> Formal Concept Analysis (FCA) generates lattices that are
> guaranteed to be consistent.  See the FCA home page:
> 
>    http://www.upriss.org.uk/fca/fca.html
> 
> This is a convenient method for ensuring that multiple
> inheritance does not create contradictions.  But FCA only
> guarantees consistency with the data you give it.  If you
> don't give it all the relevant data, FCA can't use it.
> 
> The GIGO law has not been repealed, but some people try
> to deodorize the garbage by spraying some ontology on it.
> 
> John
> 
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