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Re: [ontolog-forum] Current Semantic Web Layer Cake

To: "[ontolog-forum]" <ontolog-forum@xxxxxxxxxxxxxxxx>
From: "John F. Sowa" <sowa@xxxxxxxxxxx>
Date: Wed, 08 Aug 2007 14:37:46 -0400
Message-id: <46BA0D7A.3060908@xxxxxxxxxxx>
Adrian,    (01)

I was most definitely arguing for an "open" vocabulary:    (02)

AW> John's point that you can describe anything in English is
 > well taken.  However, although the tradition is to do this
 > computationally by means of a "controlled vocabulary", there
 > is another way.  It is in fact possible to get strict meanings
 > using an *open* vocabulary.    (03)

The controlled natural languages, such as ACE, CLCE, etc.,
definitely have an open vocabulary.  The list of "reserved words"
is very small:    (04)

    and, or, not, if, then, some, every, is, has, a, an, the,
    of, for, such that.    (05)

The above list is a minimum, and there are some additions that
one could add to make the style more readable.  The list of
content words is totally open-ended.    (06)

As I said in my previous note, please look at the Rolf Schwitter's
web page for controlled NLs, which has pointers to a variety of
different versions:    (07)

    Controlled Natural Languages - Homepage    (08)

John    (09)

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