PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is not uncommon for such folks to experience eyestrain occurs from intense use at the computer, blurred vision, dry eyes, red eyes, headaches, sore neck, sore back, shoulder pain, increased sensitivity to light, difficulty focusing, and other symptoms of what is increasingly referred to as computer vision syndrome.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eyeglasses.com