PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Why would that grammar book, one of the most popular used by writers, say that? because many writers use quotation marks to emphasize words, which may confuse readers such as yourself.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ilookchina.net