PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The next three arguments are vectors: ??? free takes a value of True or False, and specifies whether a path is free or fixed; ??? values is a numeric vector that specifies the starting value of the path;??? labels is a character vector that assigns a label to each free or fixed parameter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.co.uk