PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are four different types of surfactants : Anionic Surfactants are negatively charged, and enhance foaming and other spreading properties.
http://www.w3.org/ns/prov#wasQuotedFrom
  • authorstream.com