PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • And experts caution that an increase in folic acid can mask a vitamin B12 deficiency in older people, which can cause serious health problems, including nerve damage.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newscientist.com