PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although textbooks, trade books, newspapers, web pages, television shows, and other media include primary source information - photographs, excerpts from diaries, statistics, historical maps, and documents of all kinds, a typical student does not have a good understanding of what a primary source is and how it is different from a secondary source. (The following can be used as a handout.) ********
http://www.w3.org/ns/prov#wasQuotedFrom
  • yale.edu