On 6/19/13 11:32 AM, John F Sowa wrote:
> On 6/19/2013 9:23 AM, Kingsley Idehen wrote:
>> How do you put Aristotle's semantics into a structured document that's
>> web-like, and optionally scalable to the World Wide Web?
> Aristotle's semantics can be expressed in any notation you prefer.
> It is a subset of OWL that can be (and *has* been) implemented much
> more efficiently than OWL. Following are the basics:
>
> 1. A hierarchy of types (which correspond to OWL classes) that can
> support multiple inheritance and/or single inheritance.
>
> 2. Four simple statements that can be expressed in English or any
> other natural language. You can also express them in Venn diagrams.
> Or you can use four words: subtype, supertype, overlap, disjoint.
>
> 3. Syllogisms, which are patterns of sentences that express the same
> kinds of inferences that are permissible in OWL.  (01) 
Which is basically what I am getting at with regards to making the 
entity relationship semantics discernible from document content (be it 
private or World Wide Web scale web-like structured data).  (02)
> If you want a compact linear notation that can be embedded in documents
> and is more readable, more flexible, and more efficient than OWL, I
> recommend Common Logic.  (03) 
I just want a little semantics which takes the user or developer a long 
way whenever that encounter this kind of structured data.  (04)
> The XCL dialect uses XML, and it can be
> embedded in documents in the same way as RDF. But you can also use
> the tried and true method for embedding JavaScript, JSON, PHP, and
> other notations in HTML: tags like <script> and </script>.
>
> By the way, you can map any N3 triple A B C to ("B" "A" "C") in CLIF
> or CGIF.  (05) 
Yes.  (06)
> But you also have the option of using much more logic,
> if you need it. For the kinds of inferences performed by OWL, you
> can use the same algorithms with CL notation that you use with OWL
> notation. The main difference is that CL notation is less bloated
> and therefore more efficient than native OWL processors.
>
> For examples of syllogisms and their mapping to Venn diagrams, see
> slides 23 to 33 of http://www.jfsowa.com/talks/kdptut.pdf  (07) 
Okay.  (08)
BTW -- can I upload to slideshare on your behalf?  (09)
Kingsley
>
> John
>
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>  (010) 
--  (011)
Regards,  (012)
Kingsley Idehen 
Founder & CEO
OpenLink Software
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