PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Besides, of course, there is a difference between the needs of>> teachers and those of researchers and other users - for many purposes>> user defined functions are too inefficient for serious work (and even>> more so when these users are not expert programmers).
http://www.w3.org/ns/prov#wasQuotedFrom
  • mathforum.org