PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today, chlorine is mostly viewed as a public health or environmental hazard resulting from occupational exposures, industrial accidents or the malfunctioning of pool chlorination systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • the-trench.org