PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • (Meth)acrylic acids are unsaturated carboxylic acids which include, for example, those represented by the following basic formula: ##STR3## where R is a hydrogen atom or a methyl group.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com