Pat and Randall, (01)
JFS>> I don't believe that Cyc is perfect, and there are many things
>> that I would do differently. But I believe that anybody who
>> proposes a new system should explain why they aren't using Cyc. (02)
RS> Well, in keeping with the "open" philosophy of this forum, one
> reason would be that it is not really open-source software. While
> OpenCyc is available free of charge, it is still a closed system. (03)
That is a good explanation. (04)
But as Pat Hayes and I noted, it would be much cheaper to pay
Cycorp to release OpenCyc plus some additions to open source
than to redo all that work. (05)
PC>> Your arguments to take a gradual approach, look for small demos
>> and eventually try to get broad agreement via the semantic web is
>> based solidly on the notion that a very gradual approach is a
>> low-cost solution. It's not. (06)
RS> That is only true if for problems that are well understood and
> which thus fall squarely into the realm of engineering. If there
> is more than a very modest degree of experimentation involved,
> incrementalism is indicated. (07)
I strongly agree with Randall. And I would add that Pat C has not
yet given a single shred of evidence for the claim that an upper
ontology is a prerequisite (or even useful) for interoperability. (08)
And if Pat seriously believes that it's necessary to adopt some
upper ontology ASAP, I can't understand why he doesn't recommend
Cyc instead of starting from scratch. (09)
PC>> Just because such losses do not show up as a line item on
>> someone's budget doesn't mean they are not real. (010)
RS> But likewise, just because a problem exists, does not mean
> its solution is at hand. (011)
I agree. And given the evidence so far, any claims about a
standard upper ontology as the solution are wishful thinking. (012)
John (013)
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