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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: histrionics
Date: 1999/09/09
Message-ID: <7r8c60$b2q$1@nnrp1.deja.com>#1/1
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Date: 1999-09-09T00:00:00+00:00
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In article <37d74de9@eeyore.callnetuk.com>,
  "Nick Roberts" <nickroberts@callnetuk.com> wrote:
> Graeme,
>
> Have you introduced yourself to one of the 5GLs (Fifth
Generation Languages:
> this is a loose classification)? I am keen on Prolog myself,
but there is
> LISP, Haskell, ML (maybe;-) and quite a few others (some
really obscure).

I don't think the term 5GL is a useful one here, especially
since LISP is most certainly a 1GL language :-)

The point that very high level languages may be more appropriate
to a domain is certainly a useful one. It is interesting to
remember that SETL, used to implement the first validated
Ada compiler, is now nearly 30 years old, but the development
of VHLL's has been disappointing. Prolog itself is a very
old language at this point.

The 5GL project in Japan, an AI-oriented big fiasco many years
ago (dig up my quotes at the time for some entertainment) was
prolog based, and promised all kinds of wonderful fixes and
improvements to prolog that did not happen. Prolog is one of
those languages that has a fascinating idea, but ultimately
is disappointing ...


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