RE: EARL Testcase

That reminds me of a concept I once heard of -I think it was called name
spaces

Sounds like good idea :) 


All the best
Lisa Seeman
 
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UB Access - Moving internet accessibility
 


> -----Original Message-----
> From: w3c-wai-er-ig-request@w3.org 
> [mailto:w3c-wai-er-ig-request@w3.org] On Behalf Of Chris Ridpath
> Sent: Thursday, April 15, 2004 6:58 PM
> To: Charles McCathieNevile
> Cc: WAI ER IG List; David Weinkauf
> Subject: Re: EARL Testcase
> 
> 
> 
> Thanks for the helpful suggestions.
> 
> I think it may be simpler though if we could all agree on a 
> URI that represents the guideline. You've taken this approach 
> with checkpoints and it works fine. Example from Sidar's HERA:
> 
> <earl:testcase 
> rdf:resource="http://www.w3.org/TR/WCAG10/#tech-text-equivalent" />
> 
> How about using
> <earl:testcase rdf:resource=http://www.w3.org/TR/WCAG10/#a/>
> to represent the WCAG 1.0 level 'A' guideline?
> 
> Chris
> 
> ----- Original Message ----- 
> From: "Charles McCathieNevile" <charles@w3.org>
> To: "Chris Ridpath" <chris.ridpath@utoronto.ca>
> Cc: "WAI ER IG List" <w3c-wai-er-ig@w3.org>
> Sent: Thursday, April 15, 2004 11:11 AM
> Subject: Re: EARL Testcase
> 
> 
> > Well, one thing to do is to try and agree on URIs to use. 
> For example, 
> > I
> have
> > used the URIs of the checkpoints to cover claiming each individual 
> > checkpoint, and that is what WAINu, HERA, and Axforms all do.
> >
> > If you want to declare that 2 URIs mean the same thing you 
> should use 
> > an
> OWL
> > property:
> >
> > foo:waigl owl:sameAs bar:wcag1
> >
> > which relies on tools that understand a bit of OWL to make 
> it work. If 
> > you only want to require tools to understand RDF Schema you can go 
> > with
> >
> > foo:waigl rdfs:subClass bar:wcag1 AND bar:wcag1 rdfs:subClass 
> > foo:waigl
> >
> > So long as the information is available (Hera reports 
> actually link to 
> > a bunch of stuff. Axforms reports include a lot of 
> information in the
> report)
> > whether a particular tool understands it or not is a 
> problem for the 
> > tool developer.
> >
> > But having this kind of OWL stuff is probably useful. I 
> recently wrote 
> > a piece for the WCAG group [1] explaining how to use some other OWL 
> > stuff to describe the fact that meeting some checkpoint was 
> the same 
> > as meeting
> some
> > set of sub-points - for example WCAG double-A is the set of 
> WCAG level 
> > A
> plus
> > all priority 2 checkpoints, but it applies equally for the more 
> > detailed
> work
> > people are doing.
> >
> > The alternative is to make up special EARL magic which people would 
> > still have to implement - it seems to me easier to sell the 
> idea that
> implementing
> > this stuff is in fact doing stock-standard work for your 
> basic parser, 
> > and you can expect to find the right piece of basic parser off the 
> > shelf if
> you
> > look, rather than some once-off code useful only in EARL tools.
> >
> > [1] http://lists.w3.org/Archives/Public/w3c-wai-gl/2004AprJun/0025
> >
> > cheers
> >
> > Chaals
> >
> > On Thu, 15 Apr 2004, Chris Ridpath wrote:
> >
> > >
> > >EARL can be used to state that a particular resource 
> passes or fails 
> > >a particular test. The test can be something subjective 
> like the WAI 
> > >guidelines. We can use the earl:testcase element to make 
> these sort 
> > >of statements.
> > >
> > >Our checker program makes a statement that a particular 
> page passes 
> > >or
> fails
> > >the WAI guidelines and uses our URI as the definition of the WAI
> guidelines.
> > >Example:
> > >
> > ><earl:testcase 
> > >rdf:resource="http://checker.atrc.utoronto.ca/wcag-1-0-aa.xml" />
> > >
> > >Other programs will generate a similar statement and will 
> reference 
> > >their definition of the WAI guidelines. Example:
> > >
> > ><earl:testcase 
> > >rdf:resource="http://accessibility.tester/WCAG-AA.html" />
> > >
> > >How can a program collect the EARL results from various checking 
> > >tools
> and
> > >tell if the page passes/fails the WAI guidelines?
> > >
> > >To put it another way - How can you tell that both programs are 
> > >testing
> the
> > >same guidelines? (Perhaps using the earl:testcase rdf:about 
> > >attribute?)
> > >
> > >Chris
> > >
> > >
> >
> > Charles McCathieNevile  http://www.w3.org/People/Charles  
> tel: +61 409 
> > 134
> 136
> > SWAD-E http://www.w3.org/2001/sw/Europe         
> fax(france): +33 4 92 38
> 78 22
> >  Post:   21 Mitchell street, FOOTSCRAY Vic 3011, Australia    or
> >  W3C, 2004 Route des Lucioles, 06902 Sophia Antipolis Cedex, France
>

Received on Wednesday, 19 May 2004 04:03:02 UTC