PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to systems and methods for retrieving information and, more particularly, to systems and methods for providing a multi-step conversation-like interaction between a person and a computer or other device to refine and satisfy the person's request for information.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com