PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The situation has been exacerbated by fierce winds that sweep through the valley and dislodge carcinogenic particles from the lakebed, creating a pervasive dust cloud known as the Keeler fog (named for the town on the east side of the lake); the dust contains carcinogens such as nickel, cadmium, arsenic, as well as sodium, chlorine, iron, calcium, potassium, sulfur, aluminum, and magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogs.com