On 11/28/2013 12:53 AM, Pat Hayes wrote:
> there is no way to standardize the multifarious potential uses
> for the fourth quad field. To my knowledge it has been used as
> a graph label, as an extra relational parameter, to encode
> a time reference, to indicate a source (but not using PROV:
> that usage pre-dates PROV by several years, maybe a decade),
> and simply as an indexing mechanism inside a quad store.
> I am sure that there are others. (01)
This is the result of designing syntax before anybody has any idea
about what semantics and pragmatics that syntax would represent. (02)
The issues about designing compilers for translating one syntax
to another were thoroughly analyzed and implemented in the 1960s.
Many more studies of the practical, theoretical, and human factors
issues about different kinds of grammars have been carried out in
the past half century. (03)
Why is anybody still designing new kinds of syntax without any clue
about what that syntax can or should represent? (04)
John (05)
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