PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The most commonly used materials come from right underfoot; clay soil, sands, stones and other aggregates, and various fibers including straw, bamboo and wood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earthenshelter.com