PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Apparently it???s supposed to be some sort of Portuguese merchantman, and the name is an obvious reference to the ???black ships??? of American Commodore Matthew Perry???s fleet that opened Japan for trade for the first time in two hundred years in 1853.
http://www.w3.org/ns/prov#wasQuotedFrom
  • shamusyoung.com