PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The following is a quote taken from the website Chem-tox.com: ???The Tempurpedic was not really endorsed by NASA, but we were informed that it was researched by NASA but rejected for use in the space industry because of chemical volatility issues.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • epinions.com