PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • um alginate, gellan gum or pectin, it can be cross-linked with multivalent ions, such as calcium or magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com