PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The best of the bunch was an article actually addressing, for the most part, the problems estimating numbers of homeschoolers and their most general characteristics, but it included the following footnote which is so important for these discussions that I reproduce it in toto:
http://www.w3.org/ns/prov#wasQuotedFrom
  • timesandseasons.org