PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The political reopeners" alleged that the country was at an economic disadvantage vis- ?? -vis other countries such as France and Great Britain???which had introduced tens of thousands of free Africans" and others liberated from the seized slave ships???because of a dearth of plantation workers, most critically in the Deep South.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nypl.org