W3C Web Content Accessibility Guidelines1.0
Introduction
The
Web Content Accessibility Guidelines∞ provide a series of checkpoints which are recognized worldwide as the definitive source for developing and assessing Web sites that provide access to the widest possible audience. This vocabulary is designed to allow people to make statements about which checkpoints a Web site adheres to.
For more information see the
Web Content Accessibility Guidelines∞
Vocabulary Specification
Data Type
Labels must be given Boolean values
Classifications
WAI-A - Defines the label as conforming to "Single-A": all Priority 1 checkpoints are satisfied
WAI-AA - Defines the label as conforming to "Double-A": all Priority 1 and 2 checkpoints are satisfied
WAI-AAA - Defines the label as conforming to "Triple-A": all Priority 1, 2, and 3 checkpoints are satisfied
Example of Usage
The following example demonstrates how to label a site as being WCAG "Double-A" compliant...
<?xml version="1.0"?>
<rdf:RDF
xmlns:rdf="
http://www.w3.org/1999/02/22-rdf-syntax-ns#∞"
xmlns:rdfs="
http://www.w3.org/2000/01/rdf-schema#∞"
xmlns:label="
http://www.w3.org/2004/12/q/contentlabel#∞"
xmlns:dc="
http://purl.org/dc/elements/1.1∞"
xmlns:dcterms="
http://purl.org/dc/terms/∞"
xmlns:segala="
http://contentlabel.org/vocab/wcagv01#"
xmlns:quatro="
http://purl.org/quatro/elements/1.0/"∞>
<rdf:Description rdf:about="">
</rdf:Description>
<label:Ruleset>
<label:hasHostRestrictions>
<label:Hosts>
<label:hostRestriction>raspberryfrog.co.uk</label:hostRestriction>
</label:Hosts>
</label:hasHostRestrictions>
<label:hasDefaultLabel rdf:resource="#label_1" />
</label:Ruleset>
<label:
ContentLabel rdf:ID="label_1">
<rdfs:label>Label for all of website</rdfs:label>
<label:hasClassification rdf:resource="quatro:WAI-A"/>
<segala:cp1.1>1</segala:cp1.1>
<segala:cp1.2>1</segala:cp1.2>
<segala:cp1.3>1</segala:cp1.3>
<segala:cp1.4>1</segala:cp1.4>
<segala:cp2.1>1</segala:cp2.1>
<segala:cp4.1>1</segala:cp4.1>
<segala:cp5.1>1</segala:cp5.1>
<segala:cp5.2>1</segala:cp5.2>
<segala:cp6.1>1</segala:cp6.1>
<segala:cp6.2>1</segala:cp6.2>
<segala:cp6.3>1</segala:cp6.3>
<segala:cp7.1>1</segala:cp7.1>
<segala:cp8.1>1</segala:cp8.1>
<segala:cp9.1>1</segala:cp9.1>
<segala:cp11.4>1</segala:cp11.4>
<segala:cp12.1>1</segala:cp12.1>
<segala:cp14.1>1</segala:cp14.1>
</label:
ContentLabel>
</rdf:RDF>
Links
Web Content Accessibility Guidelines∞
Frequently Asked Questions About Content Label Vocabularies
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