PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mayer, who is blind, said most sites do a poor job of addressing the needs of individuals who have poor vision, poor motor control or other disabilities that create obstacles to surfing the Internet.While it is relatively simple for sites to meet accessibility guidelines, such as those recommended by W3C, Mayer said it is uncommon to find sites that do a good job of it.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wtnnews.com