PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Silica hydrogels and xerogels, calcium, aluminum and magnesium silicates, diatomaceous earth, several types of natural minerals and clays and mixtures thereof have been suggested and used as chill-proofing agents.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com