PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Plant cell walls are comprised mainly of pectins, celluloses, hemicelluloses, ligins,
http://www.w3.org/ns/prov#wasQuotedFrom
  • biomedcentral.com