PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Led by progressive educators and naturalists such as Anna Botsford Comstock, Liberty Hyde Bailey, Louis Agassiz and Wilbur S. Jackman, nature study changed the way science was taught in schools by emphasizing learning from tangible objects, something that was embodied by the movement's mantra "study nature, not books.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org