PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Suitable chemical modifications include, for example, surface grafting of reactive functional groups, including hydroxyl, amino, carboxyl and organofunctional silane groups.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com