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WCAG formalization (rewriting WCAG HTML techniques as automatable rules)

From: Vicente Luque Centeno <vlc@it.uc3m.es>
Date: Wed, 15 Jun 2005 17:10:46 +0200 (CEST)
To: w3c-wai-gl@w3.org
Message-ID: <Pine.LNX.4.61.0506151657100.25882@violin.it.uc3m.es>

Hi all,

In order to have better WCAG rules for automated tools, I recently
published [1]. They are just a set of XPath/XQuery based expressions that
rewrite WCAG in a more automatable and less fuzzy way.

I recently have upgraded those rules to WCAG 2.0, and I have published
them at [2] (plus some comments). I would be pleased to receive your
comments/feedback. It would be nice to have no misinterpretation on
WCAG (we would not have different tools' interpretations). I also think
that these rules + a XQuery engine + some preferences for personalizing
subjectivity + some little integration code could be enough to build an
accessibility evaluation tool. XQuery expressions could be used to 
"normalize" some WCAG techniques.

I also have written over 60 XQuery expressions for the HTML Techniques.
You can find them at [3] .


[1] http://www.www2005.org/cdrom/docs/p1146.pdf
[2] http://www.it.uc3m.es/vlc/wai/wcag20formal.html
[3] http://www.it.uc3m.es/vlc/wai/checks.xml

Vicente Luque Centeno
Dep. Ingeniería Telemática
Universidad Carlos III de Madrid
Received on Wednesday, 15 June 2005 15:10:55 UTC

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