PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Contamination of the xerogel material with such monomers and oligomers is undesirable since these materials are toxic and, during use, can leach into the eye fluid causing, for example, eye irritation and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com