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- From: Paul Prescod <firstname.lastname@example.org>
- To: xml-dev <email@example.com>
- Date: Mon, 28 Jun 1999 12:43:43 -0500
Walter Underwood wrote:
> Don't forget content negotiation.
Those are different manifestations of the same resource. I think that we
eventually need to be able to address manifestations so that I could make
a URL to the MS Word version of a document or to the PDF version
explicitly...or even to the document with a particular CSS stylesheet
> Then there are dynamic pages--what is "identity" for a weather
> station? The page is in some sense "the same page", but the
> content depends on the temperature.
Human beings decide identity. If we think of the weather page as a
"thing", then we should assign it a Unique ID so that we can refer to it.
Anyhow, if the two manifestations were retrieved with the same URL then
the answer is already in the W3C specs: they are the same object. It is
the multiple URL->one resource case that the Web does not currently seem
> Finally, some systems ignore case in file names, and relative
> URLs are resolved according to the URL you used in the GET,
> so we see:
> with combinatorial explosions on longer URLs. And a nightmare
> for robots and caching proxies.
Globally unique identifiers would help with that. Dynamic content will
always be a nightmare but XML node inclusion could help by separating out
the dynamic parts from the static parts.
Paul Prescod - ISOGEN Consulting Engineer speaking for only himself
Alabama's constitution is 100 years old, 300 pages long and has more than
600 amendments. Highlights include "Amendment 393: Amendment of Amendment
No. 351", "Validation of Laws Regulating Court Costs in Randolph County",
"Miscegenation laws", "Bingo Games in Russell County", "Suppression
of dueling". - http://www.legislature.state.al.us/ALISHome.html
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