PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, it seems unlikely that any contamination of e-liquid within normal parameters could be expected to elevate risk beyond about 99% less than that of smoking; it seems a reasonable bet that no matter what level of contaminants is present, within a reasonable range, vaping cannot be anything other than so much safer than smoking that there is no comparison.
http://www.w3.org/ns/prov#wasQuotedFrom
  • e-cigarette-forum.com