- From: Al Gilman <asgilman@iamdigex.net>
- Date: Mon, 30 Oct 2000 14:14:49 -0500
- To: w3c-wai-er-ig@w3.org
At 12:35 PM 2000-10-30 -0500, Charles McCathieNevile wrote: >My 2 bits worth on evaluation markup... > >Using a known RDF scheme in a seperate document would enable easy sharing of >data beteween tools (since they are sharing the RDF). > >Validating can be checked seperate to having a (temporary) tidy-ed version to >use Xpath on. > >It would be interesting to talk to Gerald about getting the W3C validator to >produce information in the same RDF scheme. > >The problem of things that change is tricky. The best solution I can think of >would be to produce some RDF that says URI-X moved-to URI-Y, where URI-X and >URI-Y are fragment references (and therefore not real URIs <sigh/>) and date >the statement using Dublin Core. You could always make checksums of each >fragment to prove it... (it isn't the implementation that is tricky, it is >the fact that you can end up with a lot of data, although you could quickly >aggregate it and eliminate middle steps...) > >In any case it is important for evaluation statements to be dated (or a >checksum provided for slow-but-sure checking). > >I think you can actually write Xpointer / Xpath expressions to select bits of >text (I think I saw that it could be used in XSLT). But you should ask an >expert. > AG:: So far as I know, the best body of expertise to steal is the joint W3C/IETF work on signed XML. They worry about defining just what subset of the XML you are signing, canonicalization, and all the things we will run into here in probably greater depth than we will need, I believe. <http://www.w3.org/Signature>http://www.w3.org/Signature/ Al >cheers > >Chaals > >-- >Charles McCathieNevile <mailto:charles@w3.org>mailto:charles@w3.org phone: +61 (0) 409 134 136 >W3C Web Accessibility Initiative <http://www.w3.org/WAI>http://www.w3.org/WAI >Location: I-cubed, 110 Victoria Street, Carlton VIC 3053, Australia >September - November 2000: >W3C INRIA, 2004 Route des Lucioles, BP 93, 06902 Sophia Antipolis Cedex, France >
Received on Monday, 30 October 2000 13:47:10 UTC