PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each surfactant has a hydrophilic head that is attracted to water molecules and a hydrophobic tail that repels water and attaches itself to hydrophobic materials such as oil and grease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com