PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A focus on molecules as pertains to cleaning helps the class understand how things interact, particularly soap, water and dirt.
http://www.w3.org/ns/prov#wasQuotedFrom
  • screenjunkies.com