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   Re: [xml-dev] XPath 1.5? (was RE: [xml-dev] typing and markup)

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[Ian Fitchet]

> "Thomas B. Passin" <tpassin@comcast.net> writes:
> > Yes, but who is "we"?  If I'm American and you are French, we may have
> > frequent discrepancies.  More to the point, if one or both of us is a
> > computer, how will it know how to interpret it?  Well, you say, the
> > programmer knows.  And if we want to have a variety of software agents
> > the interpretation?  How do they know?
>  Um, because I said at the top of my document that the type system I
>  was using was ``w3c-standard-french'' and you said you were using the
>  ``ieee-arcane-american'' type system.  Both of us have the
>  appropriate context for each others documents and using that context
>  we know how to interpret the `date' element.  Whether or not we can
>  or indeed want to interoperate is another problem and mostly depends
>  on whether we need to.  Needing to would probably imply that we use
>  the same type system.

There you go! A bit of metadata to establish a bit of semantics, and we're
off to the races!

>  With my date hat on, why shouldn't I be able to define a UK bank
>  holiday type wherein I can refer to the forthcoming Whitsun bank
>  holiday?  That's quite a handy type for me to use and, once you've
>  understood the context of my type, you can use it too!  Curiously,
>  though it probably won't match or be interoperable with the US
>  national day type.  But then, why would I want to interoperate with
>  it?

So we can take both holidays, what else?


Tom P


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