PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Applied to a dataframe, this command first tells us that the object is a dataframe, second, gives us the dimensions of the dataframe, and third, presents a brief summary of its contents, including the variable names, their type (specifically, the results of R???s class function), and the values of their first few observations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.co.uk