PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Half-esters are valuable specialty chemicals used as essential building blocks to create a variety of widely used, high volume consumer and industrial products, including polyesters and other polymeric materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sys-con.com