PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this reason, sciences such as physics and chemistry are sometimes informally referred to as hard sciences, while social sciences are sometimes informally referred to as "soft sciences.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org