PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The math puzzles that the pages contain include concepts such as symmetry, multiplication, addition, estimation, subtraction, quadratic equations. ( ) ReplayGuy | Apr 28, 2012 | Summary: Each page of the book presents a new math problem for the reader to do, in a fun and creative way.
http://www.w3.org/ns/prov#wasQuotedFrom
  • librarything.com